动物

Contents

·animal	·dònɡ wù	·一大类，与植物相对
·谓感动或感化万物	·Activities or to activities, things	·Concept
·Categories	·Origin	·Taxa, this method of naming and identification Mode
·Titbits	·Endangered animals	·The reasons for endangered animals
·The concept of animal	·Animal species	·Reproductive and developmental
·The reasons for endangered animals	·Animals in the "mathematicians"	·The role of animal tails
·Poems about animals	·English Expression	·French Expression
·Thesaurus	·Related Phrases	·Containing Phrases
·Classification details	·More results...

animal

　　Animal is in a large class of biological world. Inorganic synthesis of organic compounds generally can not be only to organic matter (plants, animals or micro-organisms) for the Si Liao, so have the different forms of plant structure and physiological function, for feeding, digestion, absorption, respiration, circulation, excretion, sensation, life activities such as movement and reproduction. Zoological classification of animals under natural animal form, the internal body structure, the characteristics of embryonic development, physiological habits, living environment, geographical features, will feature the same or similar animal in the same category. A chordate, and two non-chordate categories.
　　Species
　　Vertebrates, including: fish, reptiles, birds, amphibians, mammals and other top-five network categories.
　　Invertebrates, including: protozoans, mollusks, worms, insects, crustaceans and other categories. So all the invertebrate animals of the world for more than 90 percent.
　　Fish features: aquatic animals (they can only live in water). Skin covered by scales, are cold-blooded animal. With fins (you can swim in water), with the gills of the cold-blooded animal. IVF. Mostly oviparous, some of viviparous and ovoviviparous.
　　Many fish species, divided into two categories cartilaginous example: shark
　　Feature: Skin tough, a very small Dun scales, no swim bladder, caudal fin up and down asymmetry. Have five pairs of gills, not gills. Bony class example: Opsariichthys features: bone to bone, skin has many mucus glands, bone scales covered. have swim bladders. reptilian features: terrestrial animals. skin covered with scales or scutellum. a waterproof jacket, water loss. is a cold-blooded animal (by the outside temperature or heat source to change its body temperature). mainly distributed in the Earth warmer areas.
　　In vivo fertilization, oviparous or ovoviviparous. In the land to lay eggs, egg shell with waterproof package.
　　Classification of reptiles testbyfindwo
　　A full class
　　Example: turtle
　　Features:
　　Had a hard shell. On the chin does not have teeth, but horny sheath. Oviparous. Divided into terrestrial, aquatic or marine life.
　　Not enough class
　　Example: Cobra
　　Features:
　　No limbs, shoulder straps, and sternum. Do not face and eyes with activities outside the ears. Tongue end of the fork, telescopic strong. Skin scales, body diameter than they can swallow large prey. All the organs of the snake-shaped growth of specialization, the left pulmonary degradation. snakes will regularly shed in order to facilitate growth.
　　Birds
　　Features:
　　All wearing a feather, the body was streamlined, with horny beak.
　　Eye in the sides of the head, neck long and flexible and turn 270 degrees.
　　Forelimbs into wings special, hind legs with squamous skin, with four toes.
　　Blooded animals (physiological processes through their own heat, even if the outside temperature is low, they can maintain a high and constant body temperature). The average temperature is about 10 degrees higher than in mammals (average 42 degrees).
　　Oviparous.
　　Classification of birds
　　1. Main Features
　　(1) surface is feathered, winged and can fly. Skin thin and soft, easy to strenuous exercise muscles.
　　(2) metabolism, body temperature constant. High and constant body temperature, to promote the body metabolism rate. Temperature reduced the dynamic
　　Material dependence on the external temperature conditions, access to capacity and night activities on the polar continent ability to survive.
　　(3) has well-developed nervous system and sensory. Bird brain, cerebellum, midbrain are developed. Large cerebral hemispheres, which the Lord
　　If the bottom of the striatum as the brain increases. In birds, the striatum is to manage the movement of senior positions, but also, and some of the complex health
　　Living habits related. Experimental results show: removal of part of the striatum of birds, it's normal excitation and inhibition was destroyed by the visual
　　Effects of mating, nesting and other habits of the loss. Birds of the cerebral cortex is not developed, well-developed cerebellum, which is movement of birds flying
　　Related to coordination and balance.
　　(4) has a better reproduction and behavior (nesting, incubation and brood).
　　3. Classification of Aves
　　(1) flat chest Head
　　Main features are: strong hind legs, chest flat,
　　Not keeled, non-flying capacity; feather distribution of all
　　Body, no feathers and bare area of the sub-district, Yu-chi is not a small feather
　　Hook, which does not form a pinna. Common species are ostrich,
　　See chicks.
　　(2) Penguin Head
　　Diving life, the large birds, with a range of features to adapt to life in diving. Fin-like forelimbs, suitable for the water. With scales
　　Flake feathers (rachis short _set_, narrow pinnae), uniformly distributed in the body surface. Short tail, short legs and the body moved to the rear, toes a bun,
　　Adapt to swimming life. Walking on land the body nearly vertical, about Swinging. Developed subcutaneous fat is beneficial in cold regions and
　　Water to maintain body temperature. Heavy bones and not inflated. Protruding sternum with well-developed keel, which with the water related. Swimming fast.
　　The present distribution is limited to the southern hemisphere. On behalf of king penguins.
　　(3) sudden chest Head
　　Wings usually well developed, good at flying, breaking the keel up, the last 4 to 6 caudal end of the healing as a comprehensive bone. Generally have sufficient
　　Gas bone, is well-developed feathers, constitute pinna, a feather surface area, divided into bare areas. Most non-mating male organ.
　　The overall objective of a wide variety of birds, in order to study, it can be discussed from two aspects of their groups.
　　One aspect is based on ecological types are divided into Natatores, wading birds, quail chickens, doves, climbing birds, birds of prey and songbirds seven ecological types.
　　Natatores: Hui flat wide or long and pointed, short legs with webbed wings stronger or degradation.
　　Waders: Hui thin and long, feet and toes are very long, webbed developed, powerful wings.
　　Gallinarum: picks short and strong, strong feet and claws, wings short round.
　　Dove: Hui short, the base of a wax film, short foot health, well-developed wings.
　　Climbing birds: Hui rigidity, short enough health, and tapered, more developed wing.
　　Raptor: Hui was a strong hook, enough strong, curved claws sharp hooks, good flying wing strong.
　　Songbird: Hui different shape, foot short, thin, wing more developed.
　　Another aspect is based on morphological characteristics is divided into a number of projects for research. Here are some common purpose.
　　Pelecaniformes: 4 forward, a fine room with a full pop; nozzle end into a hook, a well-developed throat sac, nestling into the birds are late, travel poultry,
　　Such as cormorants.
　　Gruiformes: cervical length, bill length, leg length, toe the previous three, four toes in the same plane, the chicks are late into the Ukraine, waders,
　　Egrets and other species are common.
　　Anseriformes: flat mouth, a mouth with thick, the edge of a comb-like protrusions; backward short leg, toe, after three previous, pre-toes with webbed
　　Often with male wing wing mirror; male with mating device; chicks as early as birds, birds travel. Common species are swans, mallard.
　　Falconiformes: mouth with Lee hook, claw well-developed flight resistant; visual acuity, raptors, chick late adults. Common species are
　　Kite, kestrel, golden eagle, etc..
　　Galliformes: strong body; Hui short, conical; wings short round, good to go; the male head has Rouguan, bright plumage; breeding
　　Complex behavior, quail chicken, chicks are back into a bird. Such as the Brown Eared Pheasant, Golden Pheasant, etc..
　　Gruiformes: bill length, neck length and leg length, three front and rear toe, toes webbed developed, the higher position after the toe with students, and the other three
　　Toe not in the same plane, the chicks as early as birds, waders. Common species are red-crowned crane, gray crane and so on.
　　Columbiformes: the mouth is short, with a wax film; four toes in the same plane on a short foot health, good walking; crop development, nestling birds as late as
　　Or early adult birds, doves class. Common species are the original pigeon, Sandgrouse and other.
　　Strigiformes: mouth hook claw strong and curved; first big eyes big move, the eye formation of facial disc feathers; ears large, with ear tufts, hearing
　　Sharp; Fourth Division to reverse backwards; chicks belonging to the late adult birds, are birds of prey. Main species are Long-eared owl, flammeus so.
　　Piciformes: mouth cone was suitable for Woodpecker; horny little hook with a long tongue; toe two after the first two; chicks belonging to the late adult birds, climbing birds.
　　Common species such as Spotted Woodpecker.
　　Passeriformes: Ming Ming bone tubes and developed; toe after three previous, in a plane, suitable nest, the chicks belonging to the late adults, Ming
　　Birds. Common species are skylark, swallow, etc..
　　Amphibians (Amphilia)
　　Features:
　　Take in water through its infancy.
　　Have to adapt to the skeletal structure of terrestrial, have four limbs, skin moist, there are many glands.
　　Body without scales or hair.
　　Forked tongue, inverted, to stretch out.
　　Mating and fertilization in water.
　　Larvae with gills, the adult is using the skin, mouth breathing and lung lining.
　　Classification of Amphibians
　　No End
　　Example: toad
　　Features:
　　A skeletal system to adapt to life on land, the body separately, trunk and limbs. Forelimb four toes, hind toe, toes webbed. Hindlimb apply to swimming and jumping are the lung, but the main respiratory organ for the oral lining and skin.
　　A tail
　　Example: salamanders
　　Features:
　　A skeletal system to adapt to life on land, as the body of a slender tail amphibious class.
　　Not enough
　　Example: fish salamander
　　Mammal
　　Features:
　　There is a body formed by a number of spinal vertebrae connections;
　　Body hair coverage, chewing and digestion, can improve energy and nutrient intake;
　　Viviparous (platypus, echidna excluded), breast-feeding;
　　Temperature. Changes in ambient temperature can be maintained when the body temperature relatively constant, thereby reducing dependence on the external environment, expanding the distribution;
　　Cranial expansion of well-developed brain, the intellectual and adaptation to the environment than other animals;
　　Strong sensitivity within the limb, there is rapid movement;
　　The heart of the left and right two-bedroom completely separated;
　　Teeth are divided into incisors, canines and cheek teeth.
　　Classification of mammals
　　1. Main Features
　　(1) body hair, has a fast movement on land capability. Wool is unique to mammals, mammals each year for general
　　Hair twice: in spring and autumn molt. Molt is a mammal of the season after coaching change.
　　(2) there chewing and digestion. Higher degree of differentiation digestive tract, digestive gland well developed, diverse digestive enzymes. Mammals
　　Objects are divided into incisor teeth (incisors), canines (fangs) and molars (teeth), tooth type and number of teeth is the basis for classification of mammals
　　One.
　　(3) constant temperature, reducing dependence on the environment.
　　(4) has a highly developed nervous system and sensory, and coordination ability. Mammalian nervous system mainly in the brain and small
　　Brain size increase, cell assembly, cortical thickening. The surface of the fold (ditch and back).
　　(5) gives birth, lactation, offspring survival rate.
　　The original animal characteristics oviparous, egg shells. (Example: duck Tsui beast)
　　After the character is not a real animal placenta, children made in the pouch. (Example: Kangaroo)
　　Features real animal placenta, fetal development, improve the output after accounting for the vast majority of mammals. And is divided into 14 categories.
　　Insectivorous (example: mole)
　　Scutes class (example: pangolins)
　　Bats (example: bat)
　　Rabbit-shaped type (example: rabbit)
　　Rodents (eg: rat, porcupine)
　　Poor tooth class (example: Anteater)
　　Carnivorous (example: lions, dogs, Panda)
　　Pinniped (example: sea lions, seals, walrus)
　　Manatee class (example: manatee)
　　Whales (example: dolphins, whales
　　Proboscideans (example: as)
　　Perissodactyla class (example: a zebra, rhino)
　　Cloven-hoofed (example: hippos, cows, pigs, deer, camels)
　　Primates (eg:, orangutan, monkey, human)
　　Example: Lion
　　Features:
　　Are carnivorous in cats. Large mammals, claws can stretch, good at jumping, canine development, good at ambushes and other animals.
　　Example: an elephant
　　Features:
　　For the largest extant terrestrial animals. Large flat ears, nose and expertise, can help feeding, body hair degradation, foot thick pad of elastic tissue, to supporting body weight. On the front teeth developed, grown in vitro. Food plants Lord.
　　Example: Anteater
　　Features:
　　Forelimb which means two to three specialties, which dug their nests. No one to turn teeth, showed a long tubular snout, long tongue were sticky, could adhere to termites, tail long and hairy. Habitat in the prairie wetlands, good swimming, to termites and ants for food.
　　Example: bat
　　Features:
　　Forelimb specialization, expertise phalanx, phalanges and between the lateral and hind wing students have thin tough membrane, as flight organs. Hind legs with claws, physical habitat can be hung upside down. Breastbone protruding clavicle developed to facilitate flight. Most Hi insectivorous bats, and good insect prey in flight, a few to eat fruit.
　　Example: Dolphin
　　Features:
　　Marine mammals, there are freshwater species. Dolphins are toothed whales, the body flow was linear, can not distinguish between the neck, cervical bone has healed phenomenon. The first tip and a long dorsal fin with ER. Forelimb characteristics into broad paddle-shaped. Non- hind legs, tail length, with horizontal forked caudal fin.
　　Cases: Monkey
　　Features:
　　Thumb relative to other means, suitable for climbing and holding objects. Clavicle developed body with body hair (except palm), refers to a nail, developed brain and sense organs. Eyes forward, with orbital bone. Acts almost human.
　　Protozoa
　　Features:
　　Single cell animals, the body's structure is simple, eat, move and multiply and die. Body is very small, microscopic observation to use animals. Inhabit fresh water, sea water or body fluids of other animals. Such as amoeba .
　　Molluscs
　　Mollusk diversification shape is very successful biological categories, including all "shell" animals, octopus and cuttlefish. Most of the molluscs living in the sea, some live in brackish water or fresh water border, are also a small department copies are terrestrial.
　　Features:
　　Soft body, regardless of sect, symmetrical, back, extending down into the cortical mantle, covering most of the body. Mollusk shells in the shell is secreted by the mantle epithelial cells formed.
　　Most molluscs have one or two shells, such as snails, clams.
　　Others degenerate into the inner shell, hidden under the mantle, such as squid.
　　Some types of shell are completely disappeared, such as gills class.
　　Worm
　　Features:
　　Body soft, sub-link, each link has a pair of discharge devices. Such as earthworms and Nereis.
　　Soft, round body, parasitic in animals or plants. Such as roundworm and pinworm.
　　Arthropod
　　Arthropods are the largest one animal, goods moving is also the most numerous, accounting for all the animal species of 85%. On the environment to adapt to an exceptionally strong, local survival, including water, fresh water, mountain, air, soil, Even the animals and plants in vivo and in vitro.
　　Main features:
　　Symmetrical on both sides of the body, the body section, but some body of fusion into a particular site, such as head and chest. Some arthropods such as spiders, further integration into the head and chest, head and chest. Body appendage, such as foot , antennae, mouthparts and so sub-section.
　　Hard body wall, composed mainly of chitin, can provide protection, but also for use as exoskeletons. As hard body wall, impeding the growth of many arthropod molting growth period required.
　　Well-developed sensory system, eye with monocular and two compound eyes. Compound eye for visual objects, and monocular as sensitive. In addition, there are touch, taste, smell, hearing and balance organs, better insect and a special sound device .
　　Respiratory rather arthropod diversity can surface, gills (aquatic) and trachea (terrestrial) breathing. Spiders are using the book lungs to breathe.
　　Classification of arthropods:
　　Crustaceans
　　Example: shrimp, crab.
　　Spiders
　　Example: spiders, scorpions.
　　Insects
　　Example: Butterfly
　　More than enough class
　　Example: centipede
　　Feelings:
　　Animal species and in finding pictures, I spent a lot of time and effort, but I think worth it. Because I saw many animals and insects in the book and of these web pages, that is interesting and the knowledge that many animals.
　　I know a zoologist is the use of animals with different characteristics and life habits categories. The largest land animals have been extinct Tyrannosaurus, now is the biggest elephant, the smallest is only visible deformation of use microscope insects. I know the original is the childhood growth of amphibians in the water, after growing up living in the land. Some animals that I had to divide them into the same, now that was originally a second-class animals.
　　I also noticed that we were to eat is biological, all animals are eating organisms. Most of the animals are useful to us humans, but many animals as we capture and killing, endangered species, especially mammals animals.
　　In order to balance the natural ecology, we should not arbitrarily cut down trees, to care for nature. Do not harm animals, because all animals and humans are living beings.
　　Subkingdom Parazoa - side of the animals sub-sector
　　Subkingdom gnotozoa - protozoa Asian community
　　Protozoa - Protozoa door
　　Orthonectida - Orthonectida
　　Rhombozoa - Diamond beetle doors
　　Subkingdom Metazoa - metazoan sub-sector
　　Porifera - porous Phylum (sponge)
　　Placozoa - flat plate Phylum
　　Radiata - radially symmetrical animals
　　Cnidaria - Cnidaria
　　Ctenophora - comb jellyfish Phylum
　　Bilateria - Bilateria
　　Protostomia - Haraguchi animals over the door
　　Priapulida - Priapulida
　　Entoprocta - Entoprocta
　　Acoelomorpha - no cavity Phylum
　　Platyhelminthes - Platyhelminthes door (flat worms)
　　Nemertina - animal-shaped door New York (New York, insects)
　　Pseudocoelomata - animal body cavities to be
　　Nematoda - Nematoda door (roundworm)
　　Nematomorpha - Linear Phylum
　　Rotifera - Gate Wheels animals (rotifers)
　　Acanthocephala - Acanthocephala
　　Kinorhyncha - Fixed kiss Phylum
　　Coelomata - real animal body cavity
　　Gastrotricha - chest hair Phylum
　　Gnathostomulida - Gnathostomulid
　　Micrognathozoa - Limnognathia door
　　Loricifera - Loricifera
　　Cycliophora - collar Phylum
　　Mollusca - molluscs door (molluscs)
　　Sipuncula - Sipuncula (esculenta)
　　Echiurida - Echiura
　　Pogonophora - Animal door to the wrist
　　Pentastomida - tongue-shaped animal door
　　Annelida - Annelida (section insects)
　　Tardigrada - Tardigrada (water bears insects)
　　Onychophora - have claws Phylum
　　Arthropoda - Arthropods (insects, etc.)
　　Lophophorata - tentacle animals
　　Phoronida - broom beetle Phylum
　　Ectoprocta - outside Entoprocta (bryozoan)
　　Brachiopoda - Brachiopoda
　　Deuterostomia - over the door after the animals mouth
　　Echinodermata - echinoderms door
　　Chaetognatha - Chaetognatha (arrow worms)
　　Hemichordata - Hemichordata door
　　Chordata - chordates (vertebrates, etc.)
　　Origin
　　The history of the animal world is animal origin, differentiation and evolution of a long journey. Is from a single cell to multiple cells, never have the spine to spine, from low-moderate to high, from simple to complex. The earliest one-celled protozoa evolved into multicellular invertebrates, sponges emerged door, coelenterate door, flat door animals, animal-shaped door New York, linear animal doors, Annelida, Mollusca, arthropods Phylum Echinodermata. No spine forward by the evolutionary emergence of vertebrates, echinoderms, the earliest vertebrates are cyclostomes, cyclostomes in the process of evolution occurred on the lower jaw, from aquatic to terrestrial. Amphibians were the first land vertebrates board. Although amphibians have been able to board the land, but they are still not completely free from the shackles of the aquatic environment must also breed in the water and spent his childhood. Amphibians continue to evolve from the original, there reptiles. Reptiles can lay their eggs on land, hatch, totally divorced from dependence on the water, a truly terrestrial animals. Reptiles and are cold-blooded animal before the animals, their body will become cold and stiff, this time they had to stop their activities into hibernation.
　　Taxon, naming and identification of mold in this way
　　Classification system is at the order system, usually including 7 main levels: species, genera, families, orders, classes, door industry. Species (species) is the basic unit, relatives of the species to be classified together, relatives of the are classified together as the Branch, Division scribe the eyes, the head scribe at the Gang, Gang scribe in the door, the door attached to industry. With the progress of the study, classification levels increased, cells can attach the upper and lower secondary units, such as the Master (Chao Gang), subclass, sub-classes, head (over head), sub-orders, sub-project, the total families (superfamily ), subfamily so. There is also the addition of new units, such as shares, group, clan, group, etc. One of the most permanent of the clan, ranging between subfamily and genus. Usually planted classification, based only subspecies of animal cells.
　　Sidelights
　　● smallest spider is the tropical forest in Panama last year found, which body length 0.8 mm.
　　● World's smallest bird is the "micro" hummingbird, weighing 2 grams of it, from the sharp-tongued to the end of the tail 5 cm.
　　● in Thailand with "monkey school", training of monkeys picking coconuts. Pigtail monkeys trained quite a day and are able to reach them 1,400 coconut.
　　Not long ago, monkey school "graduates" who held a competition where the winner in half a minute off a nine coconut.
　　● Until recently, Etruscan are considered to be the smallest mammal: 2 g adult body weight, body length of 5 cm (if the tail is even longer).
　　A few years ago, the tropical jungle in Thailand found the "smallest mammal," the title of a new contender - Pygmy flying squirrel. It weight about 2 grams, 3 cm in length, head length 11 mm, a wingspan of 5.5 cm, with small insects.
　　● 2007 In the spring, the world's oldest "dog star" in Brisbane in Austria, died 32 years old, equivalent to 224 old people live.
　　● Milk is obviously the largest mammal of the whale. A blue whale in lactation in milk 430 liters per day, equivalent to the best 5 times the amount of cow milk.
　　● Zimbabwe's three African elephants have created long-distance swimming record of the animal. They had no less than 30 hours of continuous travel, travel more than 35 km.
　　● In all animals, the name must be the most eccentric living in some cave on the island of Hawaii Kawueyi a blind spider in the. This is the spider eyes big eyes. Originally, according to the characteristics of its various aspects are all big eyes spiders, just as it Joe Home cave, causing blindness, and air leaving the "big eyes," said.
　　An adult cheetah can be achieved within a few seconds 100 km per hour
　　Bird is the world's largest ostrich
　　If you are flying birds, the albatross.
　　The world's smallest bird is the hummingbird
　　Are outside the capsule of the frog is a male voice's.
　　Playing snake playing the "seven inches" because there is just the heart.
　　Snake slough the skin every two to three months long body.
　　Sea turtles in the excretion of salt tears.
　　Ostrich incubation, the male bear.
　　Row of adult geese flying word or word, is to borrow long flight in front of the wings of geese in the air when incitement.
　　Crane with one foot in the shifts in rest.
　　Summer dog's tongue out flow "Khan" is in heat.
　　Loose the beast the horse's mouth, the cow rein pull the nose in the cow, because the distribution points where the most pain.
　　Bats are not birds, mammals.
　　Wolf howling at night in the courtship or clusters.
　　Whale fountain in the breath.
　　Is the male musk deer to attract females in heat musk glands.
　　Endangered animals
　　1. Steppe tortoises claws tortoises living in inland steppe regions of the turtle. Carapace length 12 to 16 cm, width 10 to 14 cm. Have a yellow head and limbs; head is small, at the top of a large symmetrical scales; Hui jagged edge. Central scutellum brown, yellow edges, and a concentric ring pattern. Limbs have four claws, pointed toes not webbed. Forearm and shin with a hard large scales, the stock after a cluster of large cone scales. 2 state-level protected animals. Andrias Andrias is the largest existing Caudata a maximum of more than one meter. Head flat, rounded, mouth, eyes developed no eyelids. Flat front of the body to the rear side is turning into a flat. Body on both sides have clear skin fold, short limbs, flat, pointed toe, after five four, with micro-fin. Last round, the top and bottom end of the fin. Surface smooth, covered with mucus. Body back to black and reddish brown hue miscellaneous, Talking about the belly color. Protection of animals belonging to the State 2 3. Nycticebus Nycticebus smaller and slow, so the lower monkeys, body length 32-35 cm. 2 small ears hidden in woolly head in the circle; eyes round and large. Legs short and thick and so long, and the second toe still preserved hook claws, tail short, hidden in the thicket of hair. Dorsal gray or orange brown, with a brown median ridges extend from the top end of the base, brown belly, eyes, ears are dark brown ring spot. Reference --stuweb.zjhzyg.net/08/_private/0814/081404/_private/new_page_6.htm in our country there are giant panda, golden monkey, Chinese river dolphin, Chinese sturgeon, etc..
　　Endangered animals because:
　　All natural species and their communities with local environmental conditions where the fit, as long as conditions remain unchanged, can be long-term survival, even in the proliferation or reduced, the process is slow and gradual. Intensification of human activities, but it broke the balance of the same age, leading to species extinction:
　　1) Habitat loss, degradation and fragmentation of human energy in the short term to level the hills, so that river, a hundred years the global forest by 50%, this destructive interference in the environment caused by mutations, leading to loss of many species of each other and make a living home - habitat, reduced to extinction, and this situation still continues. In endangered vertebrates, 67% of the species subject to habitat loss, degradation and fragmentation threats.
　　The world's 61 tropical countries, half of 49 countries have lost the wild, deforestation, wetlands were drained, grasslands are turning the land, and coral were destroyed ... ... Asia is particularly acute. Bangladesh 94%, 97% of Hong Kong, Sri Lanka 83%, 80% of the wild in India habitat no longer exists. As the saying goes: collapse and disappear, if not a forest, monkeys and many forest-dwelling animals, of course, no "home" can be attributed to "ecology" was originally derived from the Greek word ECO is "home", "home" meaning .
　　Extinct species, the migration ability of amphibians and reptiles and the poor nowhere more obvious types of migratory island of Madagascar on 85% of species endemic species, there are more than 60 kinds of lemur class, landing humans 1,500 years ago, after 90% of the forests disappear, the remaining lemur species only 28 species (including the mysterious and body as big as a description of the means monkey). Mainland habitat fragmentation, islands, is the increasingly serious incidents over the past century, which not only limits the spread of animal, feeding, breeding, also increased the threat to survival, when a certain animal from A to B to migration, was found to be eliminated greatly increased the likelihood. At present, China plans to build giant green corridor, is to resolve this conflict.
　　2) over-development in endangered vertebrates, 37% of the species is threatened by over-exploitation of many wild animals were being used as "leather wear, wool available, edible meat, organs can be used as medicine," Development and Utilization object Erzao disaster. Like teeth, rhinoceros horns, tiger skins, bear gall, bird feathers, turtle eggs, seal oil, the Tibetan antelope's wool ... ... more and more the meat of wild animals, without exception, a human price to be and sell goods, wanton killing of the planet's largest animals: whales, is to eat whale oil and the production of pet food; Cruel to catch sharks, which have evolved 400 million years of the cartilage of fish fins were cut after the abandonment, just enjoy this Road called shark fin cuisine. Human being in order to meet their marginal interests (fashion, show off, fun, appetites), away away the lives of wild animals. Of wild species of commercial access, often the result is "commercial extinction." At present, the global black market each year the amount of wild animals are more than 10 billion U.S. dollars, with arms, drugs go hand in hand, erode the conscience of mankind, the sins of the world increased. North American passenger pigeon had several 100 million, is seen everywhere, birds, large flying cloud cover blocks out the sun a little more time, the U.S. state of 100 years of colonial development, will be caught doing this action to exterminate the birds. When in September 1914 the last one passenger pigeon died, many Americans were shocked, eyes looked at this has a little more than can be taught the animals actually under development and utilization of human extinction, they erected monuments for the passenger pigeon, the inscription is full of remorse and repentance: "passenger pigeon, a species as a result of human greed and selfishness, extinct."
　　4) environmental pollution in 1962, the United States Leiqieerka Morrison's "Silent Spring" caused a global concern about the dangers of pesticides; humans for economic purposes, profit-oriented cast to the nature and behavior of toxic substances are numerous: chemical products, automobile exhaust, industrial waste, toxic metals, crude oil spilled drain, solid waste, detergents, cooling agents, preservatives, water pollution, acid rain, greenhouse effect ... ... and even marine vessels in the military and noise pollution are interference the whale feeding behavior and communication ability.
　　Scientists have discovered that highly sensitive to the environmental quality of Amphibians and Reptiles in the scope of the disappearance CP. Increased temperature, UV enhanced, habitat partitioning, chemical Smirnov, has made Chanzao frogs into childhood memories. And various other factors, the impact of pollution on the species are subtle, accumulation, a chronic cause of biological kill "soft knife", the degree of habitat loss against par.

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Check out the details of animal

dònɡ wù

　　A large class of organisms, such as Shi Liao biodiversity to organic, there are nerves, have feelings, can exercise.

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一大类，与植物相对

　　A large class of organisms in nature, and the relative plant. Mostly organic as Siliao, the nerve, to have feelings, can exercise. "Zhou Tai Situ local officials": "identified the five things students: First of forests and their animals should hair thing, the plant material should be made sooner." Ming Ye Zaiqi "grass Muzi View objects": "Animals of the heavens, so the first Sunchon and breathing a gas; plants, acting, and thus the root along to the lift to Tianjin. "Mao Dun" not successful ":" People are creatures of emotion ah in the end. "

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谓感动或感化万物

　　Everything that moved or probation. Sanguo Wei Kang, "Qin Fu": "its touching animals, covered Matahiro carry on." Southern Liang Dignitary "Monks sing Introduction": "it is to sincerely touching, sincere animal dumping, This is also." " Book of Mean "," sincerity is the only world can turn the "Song Xi variorum:" honest to animals. "

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Activities or to activities, things

　　Activities or to activities of the objects. Song Su Shunqin "Complex Discrimination": "as said, 'Ray to the ground in the complex', Gueret who have penis, animals." "ZHUAIYULE" Juan Liu 2: "This is a ge animal heart, not the trial is not made Before all is silenced and static, or static in action intended to? "

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Concept

动物概念

　　The concept of animals in the animal is a biological category. Inorganic synthesis of organic compounds generally can not be only to organic matter (plants, animals or microorganisms) for foodstuffs and therefore have different patterns of plant structures and physiological functions, for feeding, digestion, absorption, respiration, circulation, excretion, sensation, life activities such as movement and reproduction. Zoological classification of animals according to the form of animals, nature, internal body structure, the characteristics of embryonic development, physiological habits, living environment, geographical features, will be the same or similar characteristics of animals classified as the same class.

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Categories

动物分类

　　Can be divided into two main categories of animals in the animal world, according to animal body there is no spinal cord and divided into chordate and the two main categories of non-chordates.
　　Vertebrates, including: fish, reptiles, birds, amphibians, mammals such as the five network categories.
　　Invertebrates, including: protozoans, mollusks, worms, insects, crustaceans, and other categories. So all the invertebrate animals of the world more than ninety percent.
　　Fish features: aquatic animals (can only live in water). Skin covered with scales, is cold-blooded animal. With fins (you can swim in water), the cold-blooded animal with gills. IVF. Mostly oviparous, some of viviparous and ovoviviparous.
　　Many species of fish, mainly divided into two categories cartilaginous Example: shark
　　Features: skin tough, a very small Su scales, there is no swim bladder, tail up and down asymmetry. Have five pairs of gills, no gill cover. Teleost class example: minnows features: bone to bone, skin has many mucus glands, bone scales covered. a swim bladder. reptilian features: land animals. skin covered with scales or scutellum. with a waterproof jacket, water loss. is a cold-blooded animal (by the outside temperature or heat source to change its body temperature). mainly distributed in the Earth warmer regions.
　　In vivo fertilization, oviparous or ovoviviparous. On land to lay eggs, the eggs are waterproof shell package.
　　The classification of reptiles testbyfindwo
　　There is sufficient class
　　Example: turtle
　　Features:
　　Had a hard shell. On the chin does not have teeth, but there are horny sheath. Oviparous. Can be divided into terrestrial, aquatic or marine life.
　　Caecilians
　　Example: Cobra
　　Features:
　　Without limbs, shoulder straps, and sternum. Do not face and eyes with activities outside the ears. Forked tongue at the end, stretching and strong. Skin scales, to be swallowed more than their prey body diameter. Snake-shaped organ growth of both specialized and left pulmonary deterioration. snakes shed periodically in order to facilitate growth.
　　Birds
　　Features:
　　All wearing a feather, the body was streamlined, with horny beak.
　　Eyes on both sides of the head, neck long and flexible and turn 270 degrees.
　　Special forelimbs into wings, scaly skin of hind legs, with four toes.
　　Temperature animals (through their own physiological processes generate heat, even if the outside temperature is very low, they can maintain a high and constant body temperature). The average temperature about 10 degrees higher than in mammals (average 42 degrees).
　　Oviparous.
　　Classification of birds
　　Fly
　　Example: Swallow
　　Features:
　　A wing, a streamlined body, metabolism, can fly freely in the air, over long-distance migration to be done to adapt the living environment.
　　Not fly
　　Example: Penguin
　　Features:
　　A streamlined body, the legs had been degraded into flippers for swimming, and almost scaly feathers above the. Sea life, with a thick fat that can withstand the cold. On the ice slide players.
　　Amphibians (amphilia)
　　Features:
　　Take in water through its infancy.
　　Have to adapt to terrestrial bone structure, legs, skin moist, there are many glands.
　　Body without scales or body hair.
　　Tongue bifurcation, anatropous, to extend outward.
　　Mating and fertilization in water.
　　Larvae with gills, then the use of adult skin, mouth breathing and lung lining.
　　Classification of Amphibians
　　No tail
　　Example: Toad
　　Features:
　　A skeletal system to adapt to life on land, the body separately, trunk and limbs. Forelimb four toes, hind toe, toes webbed. Hind legs for swimming and jumping the lung, but the main respiratory organ for the oral lining and skin.
　　A tail
　　Example: salamanders
　　Features:
　　A skeletal system to adapt to life on land, as land and water body is long and tailed amphibians.
　　No foot
　　Example: fish, salamander
　　Mammal
　　Features:
　　There is a body formed by a number of vertebrae of the spine connected;
　　Body hair coverage, chewing and digestion, can improve energy and nutrient intake;
　　Viviparous (platypus, echidna excluded), breast-feeding;
　　Temperature. Changes in ambient temperature can be maintained relatively constant body temperature, thereby reducing dependence on the external environment, expanding the range;
　　Expanded skull, the brain is well developed in the intelligence and adaptation to the environment than other animals;
　　Strong sensitivity within the limb, there is rapid movement;
　　The heart of the left and right two rooms completely separated;
　　Teeth are divided into incisors, canines and cheek teeth.
　　Classification of mammals
　　The original characteristics of oviparous mammals, egg shells. (Example: quill beast)
　　Characteristics are not a real beast after the placenta, the child made in the pouch. (Example: Kangaroo)
　　True placental mammal characteristics, fetal development, improve the output after accounting for the vast majority of mammals. And is divided into fourteen categories.
　　Insectivorous (example: mole)
　　Scutes class (example: pangolin)
　　Bats (example: bat)
　　Rabbit-shaped type (example: rabbit)
　　Rodents (eg: rat, porcupine)
　　Lean rodents (example: anteaters)
　　Carnivores (example: lions, dogs, Panda)
　　Pinniped (example: sea lions, seals, walruses)
　　Manatee class (example: Manatee)
　　Cetacean (example: dolphins, whales
　　Proboscideans (example: as)
　　Perissodactyla class (example: Zebra, Rhino)
　　Cloven-hoofed (eg: Hippo, cattle, pigs, deer, camels)
　　Primates (eg:, orangutan, monkey, human)
　　Example: The Lion
　　Features:
　　Carnivora in the case of cats. Large mammals, retractable claws can be good at jumping, canine development, good ambush other animals.
　　Example: an elephant
　　Features:
　　The largest extant terrestrial animals. Large flat ears, nose and expertise, can help feeding, body hair degradation, foot mats with thick elastic tissue to supporting body weight. On the front teeth developed, grown in vitro. Food for plants Lord.
　　Example: Anteater
　　Features:
　　Forelimb in which two or three that expertise, which dug their nests. Nowhere teeth, tubular snout length, tongue length was sticky and can adhere termites, tail long and hairy. Habitat in the prairie wetlands, good swimming, and termites ants for food.
　　Example: bat
　　Features:
　　Forelimb specialization, expertise phalanx, phalanx and sides of body and hind legs are thin and tough between the students wing membrane, as flight organs. Hind legs with claws that can inhabit the body upside down. Protruding sternum, collarbone developed to facilitate flight. Most Hi insectivorous bats, and good predator insects in flight, a few to eat fruit.
　　Example: Dolphin
　　Features:
　　Marine mammals, there are freshwater species. Dolphins are toothed whales, the body showed a linear flow, can not distinguish between the neck, cervical bone has healed phenomenon. Head pointed and long, with the quality of dorsal fin. Forelimb foot and wide paddle-shaped. Does not have hind legs, tail length, with horizontal forked caudal fin.
　　Example: apes
　　Features:
　　Thumb relative to other means, suitable for climbing and grip objects. Clavicle developed body has body hair (except palm), refers to a nail, the brain and sensory organs developed. Eyes forward, bony eye socket. Behavior close to humans.
　　Protozoa
　　Features:
　　Single cell animals, the body's structure is very simple, eat, move, will reproduce and die. The body is very small, microscopic use of animals observed. Inhabit fresh water, sea water or body fluids of other animals were. For example amoeba .
　　Molluscs
　　Mollusk diversification shape is very successful biological categories, including all the "shells" animal, octopus and cuttlefish. Most of the molluscs living in the sea, some live in brackish water or fresh water junction, also a small department were for terrestrial.
　　Features:
　　Soft body, regardless of section, symmetrical, back, extending down into the mantle of the cortex, covering most of the body. Molluscan shellfish in the shell is secreted by the epithelial cells from the mantle.
　　Most mollusks have one or two shells, such as snails, clams.
　　Others degenerate into the inner shell, hidden under the mantle, such as cuttlefish.
　　Some types of shell is completely lost, such as nudibranchs.
　　Worm
　　Features:
　　Body soft, sub-link, each link has a pair of discharge devices. Such as earthworms and Nereis.
　　Soft, round body, parasitic in animals or plants. Such as roundworm and pinworm.
　　Arthropod
　　Arthropods in the animal kingdom is the largest one, is also the most dynamic range of goods, accounting for all animal species eighty-five%. Adaptation to the environment particularly strong, to survive places, including sea water, fresh water, mountain, air, soil, even the animals and plants in vivo and in vitro.
　　Main features:
　　Bilaterally symmetrical body, the body section, but some parts of the body of fusion into the special, such as head and chest. Some arthropods, such as spiders, head and chest further integration into the cephalothorax. Appendages of the body, such as foot , antennae, mouthparts and so sub-section.
　　Hard body wall, composed mainly of chitin, can provide protection, is also used as an exoskeleton. As hard body wall, impeding the growth of need in the growing season arthropods molt several times.
　　Very well-developed sensory system, eyes and compound eyes with monocular two. Depending on the material used as a compound eye, and monocular as sensitive. In addition, touch, taste, smell, hearing and balance organs, better insect and a special sound device .
　　Quite diverse arthropod respiratory system, can use the body surface, gills (aquatic) and trachea (terrestrial) breathing. Spiders the book lungs by breathing.
　　Classification of arthropods:
　　Crustaceans
　　Example: shrimp, crab.
　　Spiders
　　Example: spiders, scorpions.
　　Insects
　　Example: Butterfly
　　Myriapod
　　Example: centipede
　　Feelings:
　　Looking for animal species and photos, I spent a lot of time and effort, but I think that is worth it. Because I saw many animals and insects, and outline the book pages, I feel very interesting and knowledge to many animals.
　　I know the zoologist is the use of animals and living habits of different characteristics to the classification.'s Largest land animals have been extinct Tyrannosaurus rex, the biggest elephant now, the smallest visible is to use microscopic deformation worm. I know the growth of amphibians in the water turned out to be childhood, grew up after living on land. Some animals that I had put them into similar, but now I know that was originally a second animal.
　　I also noticed that we were eating things that are biological, all animals are eating creatures. Most of our animals are useful to humans, but many animals as we capture and killing, endangered species, especially mammals animals.
　　In order to balance the ecology of nature, we do not arbitrarily cut down trees, to care for nature. Do not harm animals, because, like all animals and humans are living animals.
　　subkingdom parazoa - side of the animals sub-sector
　　subkingdom gnotozoa - protozoa sub sector
　　protozoa - Protozoa door
　　orthonectida - Straight door swimming worms
　　rhombozoa - Diamond beetle doors
　　subkingdom metazoa - metazoan sub-sector
　　porifera - porous animal phyla (sponges)
　　placozoa - flat panel phylum
　　radiata - radial symmetry animals
　　cnidaria - Cnidaria
　　ctenophora - comb jellyfish phylum
　　bilateria - Bilateria
　　protostomia - protostomes over the door
　　priapulida - gill drag phylum
　　entoprocta - phylum within the anal
　　acoelomorpha - no cavity phylum
　　platyhelminthes - Door Platyhelminthes (flat worms)
　　nemertina - Nemertea door (New worm)
　　pseudocoelomata - animal cavity to be
　　nematoda - phylum nematode (roundworm)
　　nematomorpha - Linear phylum
　　rotifera - Wheel Animal Door (rotifers)
　　acanthocephala - spine head phylum
　　kinorhyncha - Fixed kiss phylum
　　coelomata - real animal body cavity
　　gastrotricha - chest hair phylum
　　gnathostomulida - jaw stomach phylum
　　micrognathozoa - Micro jaw phylum
　　loricifera - Armor phylum
　　cycliophora - collar phylum
　　mollusca - Mollusca (mollusks)
　　sipuncula - esculenta animal phyla (esculenta)
　　echiurida - Yi worm phylum
　　pogonophora - phylum to be wrist
　　pentastomida - tongue phylum
　　annelida - Annelida (segmented worms)
　　tardigrada - Door Tardigrada (water bears insects)
　　onychophora - have claws phylum
　　arthropoda - Arthropoda (insects, etc.)
　　lophophorata - tentacle animals
　　phoronida - broom worm phylum
　　ectoprocta - external anal animal phyla (bryozoan)
　　brachiopoda - Brachiopoda
　　deuterostomia - deuterostomes over the door
　　echinodermata - Echinodermata
　　chaetognatha - phylum Chaetognatha (arrow worms)
　　hemichordata - half cable phylum
　　chordata - chordates door (vertebrates, etc.)

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Origin

　　The history of the animal kingdom, is animal origin, differentiation and evolution of the long journey. Is a single cell to multiple cells from, never have the spine to the spine, from the low-moderate to high, from simple to complex. The first single-cell protozoan evolved multicellular invertebrates, the gradual emergence of sponges door, coelenterate door, door Platyhelminthes, Nemertea door, linear animal phyla, Annelida, Mollusca, arthropods phylum, echinoderms. No spine forward by the evolutionary emergence of vertebrates, echinoderms, the earliest vertebrates is the key link round mouth, round mouth outline the process of evolution occurs in the upper jaw, from aquatic to terrestrial. Amphibians were the first to board the land vertebrates. Although amphibians have been able to board the land, but they are still not completely free from the shackles of the aquatic environment must also breed in the water and spent his childhood. Continue to evolve from the original amphibians, reptiles appeared. Reptiles can lay their eggs on land, hatching, completely out of dependence on the water, become a true terrestrial animals. Reptiles and animals are cold-blooded animal before, and their body will become cold and stiff, this time they had to stop their activities into hibernation.

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Taxa, this method of naming and identification Mode

动物分类阶元、命名模本方法和鉴定

　　Classification system is the order meta-system, usually including 7 main levels: species, genera, families, orders, classes, door sector. Species (species) is the basic unit of closely related species to be classified together, are classified together as a relative of the Branch, Division scribe the eyes, head belonged to classes, classes belonged to the door, scribe in the sector. With the progress of the study, increasing levels of classification, units can be attached to the upper and lower secondary units, such as the Master (Chaogang), subclass, sub-classes, Head (Super Head), sub-orders, sub-orders, superfamilies (superfamily ), subfamily more. There is also the creation of new units, such as shares, group, clan, group, etc., is one of the most established families, subfamilies and genera ranged between. Usually planted classification, based only subspecies of animal cells.

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Titbits

　　● Last year, the smallest spider is the tropical forest in Panama found that body length 0.8 mm.
　　● World's smallest bird is the "micro" hummingbird, weighing 2 grams of it, from the sharp-tongued to the tip of the tail length of 5 cm.
　　● in Thailand with "monkey school", trained monkeys picking coconuts. Pigtail quite a well-trained monkey can pick one day to 1,400 coconuts.
　　Not long ago, monkey school "graduates" who held a competition where the winner in half a minute off the nine trees.
　　● Until recently, Reuter La Sikan are considered to be the smallest mammal: 2 grams adult weight, body length is 5 cm (if the tail is even longer.)
　　A few years ago, the tropical jungle in Thailand found the "smallest mammal," the title of a new contender - Dash mice. It is about 2 grams of body weight, body length 3 cm, head length 11 mm, a wingspan of 5.5 cm, with small insects.
　　● This spring, the world's oldest "dog birthday" in Brisbane in Austria, died aged 32, who lived the equivalent of 224 years.
　　● mammal milk is clearly the largest of the whales. A blue whale in the lactation in milk 430 liters per day, equivalent to the best 5 times the amount of cow milk.
　　● Zimbabwe African elephant has created three long-distance swimming records this animal. They had no less than 30 hours of continuous travel, travel more than 35 km.
　　● In all animals, the name must be the most bizarre life of the island in the Hawaiian kau ay a certain blind cave spider was. This is no spider eyes big eyes. It turned out that the characteristics of the various aspects of it are all big eyes and spiders, but because of its cave Joe home, resulting in blindness, leaving an empty "big eyes," said.
　　An adult cheetah can reach in a few seconds of 100 km per hour
　　Bird is the world's largest ostrich
　　If you are flying birds, is the albatross.
　　The world's smallest bird is the hummingbird
　　Are outside the sound of the frog is hung capsule.
　　Play the snake fight "seven inches" because there is just the heart.
　　Snake shedding a layer of skin every two to three months long body.
　　Sea turtles in the excretion of salt tears.
　　Ostrich incubation, the male bear.
　　Row of adult geese flying words or word is to borrow long-haul flight, the wings of geese in front of the air flow when the incitement.
　　Crane with one foot resting in shifts.
　　The summer flow of the dog's tongue out, "Khan" is in heat.
　　Bridle the horse's mouth, the cow in the cow's nose, pull reins on, because the distribution points where the most pain.
　　Bats are not birds, mammals.
　　Wolf howling at night in the courtship or clusters.
　　Whale water is breathing.
　　Musk is used to attract females in heat male musk deer musk glands.

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Endangered animals

　　1. Steppe tortoises claws tortoises living in inland steppe regions of the turtle. Carapace length 12 to 16 cm wide and 10 to 14 cm. Have a yellow head and limbs; small head, large scale symmetric top; beak serrated edge. Central scutellum brownish black, yellow edges, and a concentric ring pattern. Limbs have four claws, fingers, toes not webbed. Have a hard forearm and shin large scales, there are a bunch of stock after the big cone scales. Protection of animals belonging to the national level
　　2. Giant salamander giant salamander is the largest existing project has a tail, the longest of more than 1 meter. Head flat, rounded, mouth large, underdeveloped eyes, no eyelids. The front of the body flat to the rear side is turning into a flat. Obvious on both sides of the body skin fold, short limbs, flat, fingers, toes five after four, with slightly webbed. Last round, tail fin and down there. Surface smooth, covered with mucus. The body is black and reddish brown hue on the back of mixed, light colored belly. Protection of animals belonging to the State Secondary
　　3. Loris Nycticebus smaller and slow, so the lower monkeys, body length 32-35 cm. Two small ears hidden in woolly head in a circle; eyes round and large. Stubby limbs, and so long retained the second toe hook claws, tail hair short and hidden in the trees. Dorsal gray or orange brown, tan center with a ridge extending from the top to tail base, ventral brown, eyes, ears are dark brown ring spot.
　　In China there are giant panda, golden monkey, dolphin, Chinese sturgeon and so on.

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The reasons for endangered animals

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The concept of animal

　　Animals are multicellular eukaryotic life forms in a large class group, called the animal kingdom. Inorganic synthesis of organic compounds generally can not be only to organic matter (plants, animals or microorganisms) for foodstuffs and therefore have different patterns of plant structures and physiological functions, for feeding, digestion, absorption, respiration, circulation, excretion, sensation, life activities such as movement and reproduction. Zoological classification of animals according to the form of animals, nature, internal body structure, the characteristics of embryonic development, physiological habits, living environment, geographical features, will be the same or similar characteristics of animals classified as the same class. A chordate, and the two non-chordate categories.
　　According to the aquatic animal or terrestrial, they can be divided into aquatic and terrestrial animals; feathers under there, they can be divided into the feathered animals and animals without feathers. In addition to these two features, we can also use other features to classify them.
　　Animals have a variety of classifications. On the anatomy of different animals can be found in some animals with vertebrae, and some animals without vertebrae, according to the body without the spine, we can put all the animals were divided into two major categories of vertebrates and invertebrates.
　　Note: people are animals.

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Animal species

动物种类

　　Vertebrates, including: fish, amphibians, reptiles, birds, mammals and other five species.
　　Invertebrates, including: protozoa, Platyhelminthes, coelenterates, echinoderms, arthropods, molluscs, annelids, linear animal eight categories. So all the invertebrate animals of the world more than ninety percent.
　　Fish features: aquatic animals (can only live in water). Skin covered with scales, is cold-blooded animal. With fins (you can swim in water), the cold-blooded animal with gills. IVF. Mostly oviparous, some of viviparous and ovoviviparous.
　　Many species of fish, mainly divided into two categories cartilaginous Example: shark
　　Characteristics: tough skin, a very small scale and railings, there is no swim bladder, the upper and lower caudal fin asymmetrical, with five pairs of gills, no gill cover. Bone class example: minnows features: bone to bone, skin has many mucus glands, scales of bone covered with swim bladder.
　　Amphibians (Amphilia)
　　Features:
　　Take in water through its infancy.
　　Have to adapt to terrestrial bone structure, legs, skin moist, there are many glands.
　　Body without scales or body hair.
　　Tongue bifurcation, anatropous, to extend outward.
　　Mating and fertilization in water.
　　Larvae with gills, then the use of adult skin, mouth breathing and lung lining.
　　Classification of Amphibians
　　No tail
　　Example: Toad
　　Features:
　　A skeletal system to adapt to life on land, the body separately, trunk and limbs. Forelimb four toes, hind toe, toes webbed. Hind legs for swimming and jumping the lung, but the main respiratory organ for the oral lining and skin.
　　A tail
　　Example: salamanders
　　Features:
　　A skeletal system to adapt to life on land, as land and water body is long and tailed amphibians.
　　No foot
　　Example: fish, salamander
　　Reptilian features: land animals. Skin covered with scales or scutellum. With a waterproof jacket, water loss. Is a cold-blooded animal (by the outside temperature or heat source to change its body temperature.) Mainly in the warmer areas of the Earth.
　　In vivo fertilization, oviparous or ovoviviparous. On land to lay eggs, the eggs are waterproof shell package.
　　The classification of reptiles testbyfindwo
　　There is sufficient class
　　Example: turtle
　　Features:
　　Had a hard shell. On the chin does not have teeth, but there are horny sheath. Oviparous. Can be divided into terrestrial, aquatic or marine life.
　　Caecilians
　　Example: Cobra
　　Features:
　　Without limbs, shoulder straps, and sternum. Do not face and eyes with activities outside the ears. Forked tongue at the end, stretching and strong. Skin scales, to be swallowed more than their prey body diameter. Snake-shaped organ growth of both specialized and left pulmonary deterioration. snakes shed periodically in order to facilitate growth.
　　Birds
　　Features:
　　All wearing a feather, the body was streamlined, with horny beak.
　　Eyes on both sides of the head, neck long and flexible and turn 270 degrees.
　　Special forelimbs into wings, scaly skin of hind legs, with four toes.
　　Temperature animals (through their own physiological processes generate heat, even if the outside temperature is very low, they can maintain a high and constant body temperature). The average temperature about 10 degrees higher than in mammals (average 42 degrees).
　　Oviparous.
　　1. Main Features
　　(1) surface is feathered, winged and can fly. Skin thin and soft, easy to strenuous exercise muscles.
　　(2) metabolism, body temperature constant. High and constant body temperature, promoting the rate of body metabolism. Temperature reduces the dynamic
　　Physical dependence on outside temperature conditions, the ability to obtain night-time activities and the ability to survive the polar continent.
　　(3) has well-developed nervous system and senses. Bird brain, cerebellum, midbrain, are developed. Large cerebral hemispheres, which the Lord
　　If the increase of the base of the brain striatum. In birds, the striatum is to manage the movement of senior positions, but also students and some complex
　　Living habits related. Experimental results show: removal of part of the striatum of birds, it's normal excitatory and inhibitory been destroyed by the visual
　　Effects of courtship, loss of nesting and other habits. Birds of the cerebral cortex is not developed, well-developed cerebellum, which is movement of birds flying
　　Related to coordination and balance.
　　(4) has a better reproduction and behavior (nesting, incubation and brooding.)
　　2. Classification of Aves
　　(1) Flat Head chest
　　Main features are: strong hind legs, chest flat,
　　No keel, non-flying capacity; distribution of all feathers
　　Body, no plume area and bare area of the points, not a feather barbs small
　　Hook, which does not form a vane. Common types are ostrich,
　　See chicks.
　　(2) Penguin Head
　　Diving in life, large birds, with a range of features to adapt to life in diving. Fin-like forelimbs, suitable for the water. With scales
　　Flake feathers (rachis short, depending on the narrow pinnae), evenly distributed in the body surface. Short tail, short legs and the body moved to the rear, between the toes with a bun,
　　To adapt to swimming life. Body when walking on land nearly vertical, side to side. Developed subcutaneous fat is beneficial in cold regions and
　　Water to maintain body temperature. Heavy bones and not inflated. Protruding sternum with a well-developed keel, which is related to previous stroke. Swimming fast.
　　The present distribution is limited to the southern hemisphere. On behalf of the king penguin.
　　(3) sudden chest Head
　　Wings usually well developed, good flight, sudden keel over, the last 4 to 6 caudal end of the healing as a comprehensive bone. Generally have sufficient
　　Gas-bones, feathers are developed, constitute pinna, feather body surface area, bare area of the points. Most non-mating male organ.
　　The overall purpose of a wide range of birds, in order to study, it can be discussed from two aspects of their groups.
　　One aspect is divided according to the ecological type Youqin, wading birds, quail chicken, dove, climbing birds, raptors and songbirds seven ecological types.
　　Youqin: flat wide or long and pointed beak, short legs with webbed wings strong or degradation.
　　Waders: a long thin beak, feet and toes are long, webbed developed, powerful wings.
　　Gallinarum: pecking short and strong, feet and claws strong, short rounded wings.
　　Dove: a short beak, base with wax film, a short foot health, well-developed wings.
　　Climbing birds: beak rigidity, short enough health, and tapered, more developed wing.
　　Birds of prey: a powerful hooked beak and feet strong, and curved claws sharp hooks, good strong wings to fly.
　　Songbird: different beak shape, foot short thin, wing more developed.
　　Another aspect is based on morphological characteristics is divided into a number of projects for research. Here are some common purpose.
　　Pelican-shaped mesh: four forward, at a full inter-puff; mouth end into a hook, a well-developed throat sac, are late in nestling birds, bird tours,
　　Such as cormorants and so on.
　　Crane-shaped head: neck length, bill length, leg length, toe three front and rear, four toes in the same plane, the chicks are late in Ukraine, waders,
　　Common types are egrets.
　　Anseriformes: flat mouth, a mouth with a thick edge with a comb-like processes; backward short leg, toe three front and rear, front with webbed toes,
　　Wings often with the male wing mirror; male with a mating device; chicks as early as adults, swim birds. Common types are swans, mallard.
　　Falconiformes: a benefit mouth hooks, claws well developed, strong flight; visual acuity, birds of prey, nestling into the night birds. Common types are
　　Kite, kestrel, golden eagle and so on.
　　Galliformes: strong body; beak short and conical; short rounded wings, good to go; the male head has Rouguan, bright plumage; breeding
　　Behavior of complex, chicken quail, chicks are precocious birds. Such as the brown-eared pheasant, Golden Pheasant and so on.
　　Crane-shaped head: bill length, neck length and leg length, the three front and rear toe, webbed toes developed, the higher position after the toe of the students, and the other three
　　Toe not in the same plane, chicks as early as birds, waders. Common types are red-crowned crane, crane and so on.
　　Dove-shaped head: the mouth is short, with a wax film; four toes on the same plane, a short foot health, good walking; crop development, nestling birds as late as
　　Or early adult birds, dove category. Common types are the original pigeon, chicken, and so wool leg sand.
　　Strigiformes: mouth and claws strong, curved hook; head large, eyes big move, the eye formation of the facial disc feathers; big ears, with ear tufts, hearing
　　Sharp; Fourth Department reversed backwards; chicks are late in birds, are birds of prey. Main types of long-eared owl, short ears owls and so on.
　　Woodpecker-shaped head: the mouth was cone, suitable for Woodpecker; horny little hook with a long tongue; toe two after the first two; chicks are late in birds, climbing birds.
　　Common species such as spotted woodpecker.
　　Passeriformes: Ming Ming tubes and bone development; toe three front and rear, in a plane, suitable nest, fledglings are late in birds, Ming
　　Birds. Common types are larks, swallows and so on.
　　Mammal
　　Features:
　　There is a body formed by a number of vertebrae of the spine connected;
　　Body hair coverage, chewing and digestion, can improve energy and nutrient intake;
　　Viviparous (platypus, echidna excluded), breast-feeding;
　　Temperature. Changes in ambient temperature can be maintained relatively constant body temperature, thereby reducing dependence on the external environment, expanding the range;
　　Expanded skull, the brain is well developed in the intelligence and adaptation to the environment than other animals;
　　Strong sensitivity within the limb, there is rapid movement;
　　The heart of the left and right two rooms completely separated;
　　Teeth are divided into incisors, canines and cheek teeth.
　　Classification of mammals
　　1. Main Features
　　(1) body hair, has the ability to fast movement on land. Mao is unique to mammals, mammals each year for general
　　Hair twice: in spring and autumn moult. Moulting is a mammal of the seasonal changes of adaptation.
　　(2) there chewing and digestion. Higher degree of differentiation digestive tract, digestive gland well developed, diverse digestive enzymes. Mammals
　　Objects are divided into incisor teeth (incisors), canines (fangs) and molars (teeth), tooth type and number of teeth is the basis of the classification mammal
　　One.
　　(3) constant temperature, reducing dependence on the environment.
　　(4) has a highly developed nervous system and sensory, coordination ability. Mainly in the mammalian nervous system, brain and small
　　Brain volume increases, the nerve cells together, cortical thickening. A wrinkled surface (ditch and back).
　　(5) viviparity, lactation, offspring survival rate.
　　The original characteristics of oviparous mammals, egg shells. (Example: platypus)
　　Characteristics are not a real beast after the placenta, the child made in the pouch. (Example: Kangaroo)
　　True placental mammal characteristics, fetal development, improve the output after accounting for the vast majority of mammals. And is divided into fourteen categories.
　　Insectivorous (example: mole)
　　Scutes class (example: pangolin)
　　Bats (example: bat)
　　Rabbit-shaped type (example: rabbit)
　　Rodents (eg: rat, porcupine)
　　Lean rodents (example: anteaters)
　　Carnivores (example: lions, dogs, Panda)
　　Pinniped (example: sea lions, seals, walruses)
　　Manatee class (example: Manatee)
　　Cetacean (example: dolphins, whales
　　Proboscideans (example: as)
　　Perissodactyla class (example: Zebra, Rhino)
　　Cloven-hoofed (eg: Hippo, cattle, pigs, deer, camels)
　　Primates (eg:, orangutan, monkey, human)
　　Example: The Lion
　　Features:
　　Carnivora in the case of cats. Large mammals, retractable claws can be good at jumping, canine development, good ambush other animals.
　　Example: an elephant
　　Features:
　　The largest extant terrestrial animals. Large flat ears, nose and expertise, can help feeding, body hair degradation, foot mats with thick elastic tissue to supporting body weight. On the front teeth developed, grown in vitro. Food for plants Lord.
　　Example: Anteater
　　Features:
　　Forelimb in which two or three that expertise, which dug their nests. Nowhere teeth, tubular snout length, tongue length was sticky and can adhere termites, tail long and hairy. Habitat in the prairie wetlands, good swimming, and termites ants for food.
　　Example: bat
　　Features:
　　Forelimb specialization, expertise phalanx, phalanx and sides of body and hind legs are thin and tough between the students wing membrane, as flight organs. Hind legs with claws that can inhabit the body upside down. Protruding sternum, collarbone developed to facilitate flight. Most Hi insectivorous bats, and good predator insects in flight, a few to eat fruit.
　　Example: Dolphin
　　Features:
　　Marine mammals, there are freshwater species. Dolphins are toothed whales, the body showed a linear flow, can not distinguish between the neck, cervical bone has healed phenomenon. Head pointed and long, with the quality of dorsal fin. Forelimb foot and wide paddle-shaped. Does not have hind legs, tail length, with horizontal forked caudal fin.
　　Example: apes
　　Features:
　　Thumb relative to other means, suitable for climbing and grip objects. Clavicle developed body has body hair (except palm), refers to a nail, the brain and sensory organs developed. Eyes forward, bony eye socket. Behavior close to humans.
　　Protozoa
　　Features:
　　Single cell animals, the body's structure is very simple, eat, move, will reproduce and die. The body is very small, microscopic use of animals observed. Inhabit fresh water, sea water or body fluids of other animals were. For example amoeba .
　　Molluscs
　　Mollusk diversification shape is very successful biological categories, including all the "shells" animal, octopus and cuttlefish. Most of the molluscs living in the sea, some live in brackish water or fresh water junction, also a small department were for terrestrial.
　　Features:
　　Soft body, regardless of section, symmetrical, back, extending down into the mantle of the cortex, covering most of the body. Molluscan shellfish in the shell is secreted by the epithelial cells from the mantle.
　　Most mollusks have one or two shells, such as snails, clams.
　　Others degenerate into the inner shell, hidden under the mantle, such as cuttlefish.
　　Some types of shell is completely lost, such as nudibranchs.
　　Worm
　　Features:
　　Body soft, sub-link, each link has a pair of discharge devices. Such as earthworms and Nereis.
　　Soft, round body, parasitic in animals or plants. Such as roundworm and pinworm.
　　Arthropod
　　Arthropods in the animal kingdom is the largest one, is also the most dynamic range of goods, accounting for all animal species eighty-five%. Adaptation to the environment particularly strong, to survive places, including sea water, fresh water, mountain, air, soil, even the animals and plants in vivo and in vitro.
　　Main features:
　　Bilaterally symmetrical body, the body section, but some parts of the body of fusion into the special, such as head and chest. Some arthropods, such as spiders, head and chest further integration into the cephalothorax. Appendages of the body, such as foot , antennae, mouthparts and so sub-section.
　　Hard body wall, composed mainly of chitin, can provide protection, is also used as an exoskeleton. As hard body wall, impeding the growth of need in the growing season arthropods molt several times.
　　Very well-developed sensory system, eyes and compound eyes with monocular two. Depending on the material used as a compound eye, and monocular as sensitive. In addition, touch, taste, smell, hearing and balance organs, better insect and a special sound device .
　　Quite diverse arthropod respiratory system, can use the body surface, gills (aquatic) and trachea (terrestrial) breathing. Spiders the book lungs by breathing.
　　Classification of arthropods:
　　Crustaceans
　　Example: shrimp, crab.
　　Spiders
　　Example: spiders, scorpions.
　　Insects
　　Example: Butterfly
　　Myriapod
　　Example: centipede
　　Feelings:
　　Looking for animal species and photos, I spent a lot of time and effort, but I think that is worth it. Because I saw many animals and insects, and outline the book pages, I feel very interesting and knowledge to many animals.
　　I know the zoologist is the use of animals and living habits of different characteristics to the classification.'s Largest land animals have been extinct Tyrannosaurus rex, the biggest elephant now, the smallest visible is to use microscopic deformation worm. I know the growth of amphibians in the water turned out to be childhood, grew up after living on land. Some animals that I had put them into similar, but now I know that was originally a second animal.
　　I also noticed that we were eating things that are biological, all animals are eating creatures. Most of our animals are useful to humans, but many animals as we capture and killing, endangered species, especially mammals animals.
　　In order to balance the ecology of nature, we do not arbitrarily cut down trees, to care for nature. Do not harm animals, because, like all animals and humans are living animals.
　　42 animals under the door
　　1 door are all single-cell protozoan animals is the most primitive animals, of which we are familiar with Euglena, Paramecium
　　2 diamond simple gate structure within the insect parasitic animals, there are few types of records
　　3 door with the diamond straight swimming insect pest animals like
　　4 phylum, also known as porous sponges door. Sponge is a primitive multicellular animals
　　5 flat disk phylum so far, the door was an animal exclusive silk worm drive ~ ~ ~ powerful, not satisfied ~ ~
　　6 cups of ancient phylum its name implies, "ancient" means of such animal is extinct, "Cup" means that they looked like glass
　　7 coelenterate hydra door here, jellyfish, sea anemones and corals, very familiar with it, not much to say
　　Phylum 8 ctenophores door was also included in this coelenterate door, as the comb jellyfish Gang
　　9 planarian Platyhelminthes doors, flukes, tapeworms and other parasites we often heard
　　10 Yi phylum of benthic animals, insects, the body shape was cylindrical or long capsule
　　11 tongue-shaped doors are all animals, "the vampire does not blink," the parasites is hard to determine the taxonomic status
　　12 micro-phylum jaw discovered in 1994, a class of animals, humans know very little about them
　　13 Nemertea Platyhelminthes door slightly higher than other similar animals
　　14 phyla jaw shape the stomach is very small, living in shallow water in the sand, people do not know much
　　15 nematode phylum a large family, contains the stomach longer than many people - the roundworm
　　16 ventral abdominal hair long Body phylum of a class of animals have cilia
　　17 small phylum Rotifera, and protozoa like
　　18 line with the nematode phylum similar to a class of animals, animal
　　19 phyla living in the gills of the drag near the poles of the cold water marine benthic fauna, species are very few documented
　　20 gills moving doors and drag kiss animals like animals
　　21 animals acanthocephalan front door has to kiss the body of a class of animals
　　22, 1983 Phylum armor only to find a new door, there is no accurate classification
　　23 anal animal phyla in small animals like moss
　　24, annelid worms, leech, Nereis ... ... are part of the body was like, it goes without saying?
　　Phylum 25 collar of a recently discovered class of animals
　　26 and the front door esculenta animal pest animals, said Yi similar
　　27 Mollusca contains a large number of common animals, I will explain in detail later
　　28 soft tongue snail extinct phylum
　　29 foot leaves the door Cambrian animals such as the odd shrimp
　　30 tardigrade animal door of a strong and can endure high temperature, absolute zero, high vacuum and high radiation
　　Phylum 31 have claw-shaped body was the worm, foot cylindrical, terminal claws, almost extinct
　　32 Arthropoda in the animal kingdom more than two-thirds of species of animals, leaving to the following description of this huge family
　　33 Brachiopoda sometimes stall on the street you will see some, like the fossil shells of these animals left behind is
　　34 have outer and inner door anal anal animal animals for the same door together, moss animals, are now separated
　　35 broom pest animals a very small door and the door is only 10 kinds of animal, and both are benthic animals
　　36 ancient worm phyla 5.3 billion years ago in the early explosion of life extinct, discovered in recent years
　　37 Echinodermata a familiar door, a starfish, sea urchins, sea cucumbers and sea lilies
　　38 phyla to be wrist mouth and digestive tract without the non-parasitic animal living in the deep sea, the taxonomic status of the disputed
　　39 different phyla only two kinds of vortex, near the distribution in the Baltic Sea has been occupied by that flat and molluscs
　　40 Chaetognatha door is only 50 or so, or marine animals
　　41 half cord was worm-shaped animal door body, the door was to classify all chordate
　　42 door all vertebrates chordate

Translated by Google

Reproductive and developmental

动物繁殖与发育

　　Almost all animals would be some type of sexual reproduction. Mature individuals are diploid or polyploid. They have a number of specialized reproductive cells undergo meiosis to produce smaller or larger can not be swimming sperm moving eggs. Combination of sperm and eggs will be fertilized and develop into new individual.
　　Many animals can also reproduce asexually line. This may occur in parthenogenesis (without mating mature eggs produced), or by breaking the reproductive number.
　　Fertilized egg will develop into the beginning of a small ball, called the blastocyst, in this re-engineering and differentiation. In the sponge, the blastocyst baby travel experience to a new location on the concurrent bred a new sponge. In most other groups, the blastocyst is a more complex restructuring. Council _set_s the beginning of the blastocyst to form a digestive cavity of the gastrula and two separate germ layers - ectoderm and endoderm. In most cases, there will be a mesoderm in between. These germ layers then differentiate into various tissues and organs.
　　Most animals are indirect use of sunlight energy to grow. Plants use sunlight to convert the simple sugars, in a process called photosynthesis. The beginning of carbon dioxide and water through photosynthesis, the sun's energy is converted into glucose in the chemical bonding energy, and release oxygen to. These sugars are then used as building materials for plant growth. When animals eat these plants (or eat other animals that eat plants), generated by the sugar plant will be used by animals. These sugars or directly used to help animals grow, or be broken down, releasing stored solar energy, energy for animal activity. This process is called glycolysis.
　　Living near the seabed and submarine hydrothermal vents, cold seeps and other places do not rely on solar animals. Instead, chemosynthetic archaea and bacteria form the base of the food chain.

Translated by Google

The reasons for endangered animals

　　All natural species and communities are where the local environmental conditions and adapt, as long as conditions remain unchanged, can long-term survival, proliferation or reduced even in the event, the process is slow and gradual. Intensification of human activities, but it broke the balance of the same age, leading to species extinction:
　　1) Habitat loss, degradation and fragmentation of human in the short term to level the hills, so that the river diversion, a hundred years 50% of global deforestation, this destructive interference caused by mutations in the environment, resulting in loss of many species depend on each other, make a living home - habitat, reduced to extinction, and this situation still continues. Vertebrates on the verge of extinction, 67% of the species being habitat loss, degradation and fragmentation threats.
　　The world's 61 tropical countries, half of 49 countries have lost the wild, deforestation, draining of wetlands, grasslands are turning the land, and the coral has been destroyed ... ... Asia is particularly serious. Bangladesh 94%, 97% of Hong Kong, Sri Lanka 83%, 80% of India's wildlife habitats no longer exists. As the saying goes: 树倒猢狲散, if there is no forest, forest-dwelling monkeys and many animals, of course no "home" can be attributed to "ecology" was originally derived from the Greek word ECO is "home", "home" means .
　　Extinct species, migratory capacity of poor migration of amphibians, reptiles, and nowhere more obvious types of islands, Madagascar, 85% of the species is endemic, there are 60 kinds of lemurs class of 1500 of years ago, after landing, 90% of the original forests disappeared, lemurs, leaving only 28 species of animals (including the mysterious, the body as big as that described in the monkey.) Mainland habitat fragmentation, island of the event is growing over the past century, which not only limits the spread of animal, feeding, breeding, also increased the threat to survival, when an animal from A to B to migration, was found to be eliminated the possibility of greatly increased. At present, China plans to build giant green corridor, is to resolve this contradiction.
　　2) over-development in the endangered vertebrates, 37% of the species is threatened by over-exploitation of many wild animals were being used as "skins to wear, wool is available, meat, edible organs can be used as medicine," the development and utilization of objects who were drowned. Like the teeth, rhinoceros horns, tiger skins, bear gall, bird feathers, turtle eggs, seal oil, the Tibetan antelope's wool ... ... more and more wild animals, meat, all of mankind to be price and sell goods, wantonly kill the largest animal on the planet: whales is to eat whale oil and the production of pet food; miserable bear to catch sharks, which have evolved 400 million years of the cartilaginous fish discarded after the fins are cut, This channel only for the taste of the so-called shark fin cuisine. Human being in order to meet their own marginal interests (fashion, show off, fun, appetite), try to deprive the life of wild animals. Wild species of commercial access, often the result is "commercial extinction." Currently, the global black market in wildlife each year in the amount of more than 10 billion U.S. dollars, with arms, drugs go hand in hand, kills the conscience of mankind, adding to the sins of the world. North American passenger pigeon had several million, are everywhere of birds, large flying cloud cover blocks out the sun when more gains, the development of American colonists 100 years, the bird will catch the Wild Things. Finally, in September 1914 when a passenger pigeon died, shocked many Americans, the eye was not looking at this has more to teach animals win actually under development and utilization of human extinction, they erected monuments for the passenger pigeon, the inscription is full of remorse and repentance: "passenger pigeon, as a species because of human greed and selfishness, extinct."
　　4) environmental pollution in 1962, the United States with the Rachel Carson "Silent Spring" has attracted worldwide attention on the dangers of pesticides; humans for economic purposes, quick success to the release of toxic substances into the natural world are numerous: chemical products, automobile exhaust, industrial waste, toxic metals, crude oil spilled drain, solid waste, detergents, cooling agents, preservatives, water pollution, acid rain, greenhouse effect ... ... and even in the military and marine vessels are in the interference noise pollution the whale feeding behavior and communication skills.
　　Ten endangered animals Ten Species on the Brink
　　Scientists have discovered that highly sensitive to the environmental quality of Amphibians and Reptiles in the passage of the scope of CP. The increase of temperature, UV enhanced, habitat partitioning, chemical Smirnov, has made Chanzao frogs into childhood memories. And various other factors, the impact of pollution on the species are subtle, the accumulation of chronic bio-kill-induced "soft knife" harmful levels comparable with habitat loss.
　　Many of the most endangered animals on Earth, is also remarkable. Here are some of nature's super stars, they come from Asia, the Americas, Asia Pacific and other regions, may soon be no more.
　　Many of the planet's most endangered animals are also its remarkable. Here are a few of nature's superstars from Asia, the Americas, the Pacific and elsewhere that may soon be no more
　　Javan rhino
　　Habitat: Indonesia and Vietnam
　　Remaining: less than 60
　　Perhaps they are the most rare earth large mammals. Their horn is prized by poachers, their forest habitat by developers. Both could cause the extinction of the species.
　　Javan Rhinoceros
　　Indonesia and Vietnam
　　Number remaining: fewer than 60
　　Perhaps the planet's rarest large mammal. Its horn is prized by poachers, and its forests are prized by developers. Both could spell doom for the species.
　　cnnas (2009-4-02 10:35:45)
　　Vaquita porpoise head of Mexico
　　Habitat: Gulf of California
　　Remaining: 200 to 300
　　Is the world's most endangered whale of a rare species of porpoise head of Mexico's own number, and trapped in fishing nets is the main reason it will be extinct.
　　Vaquita
　　Gulf of California
　　Number remaining: 200 to 300
　　One of the rarest cetaceans in the world, the Vaquita is endangered by both its limited range and the ease with which it gets caught in fishing nets.
　　cnnas (2009-4-02 10:39:44)
　　Cross River Gorilla
　　Main habitat: Nigeria and Cameroon
　　Remaining: less than 300
　　In the 20th century was considered extinct 80 species, for now. They hunted for food and habitat crowded out by development, they may not last long.
　　Cross River Gorilla
　　Nigeria and Cameroon
　　Number remaining: fewer than 300
　　Thought to be extinct in the 1980s, the species is holding on, for now. Hunted for bush meat and crowded out by development, it may not last long.
　　cnnas (2009-4-02 10:42:45)
　　Sumatran tiger
　　Habitat: Sumatra, in Indonesia
　　Remaining: less than 600
　　The Sumatran tiger has lived only in millions of years, it is difficult to escape human expansion. Most survivors were protected, but about 100 are still living in areas outside protected areas.
　　Sumatran Tiger
　　Sumatra, in Indonesia
　　Number remaining: fewer than 600
　　This small tiger has lived only in Sumatra for a million years, making it hard to escape human expansion. Most survivors dwell in reserves, but about 100 live beyond the borders of the protected areas.
　　cnnas (2009-4-02 10:45:01)
　　Golden-headed monkey
　　Habitat: Vietnam
　　Remaining: fewer than 70
　　In 2000, this primate was placed under protection. It is still in grave danger, but their number increased in 2003 for the first time in decades.
　　Golden-Headed Langur
　　Vietnam
　　Number remaining: fewer than 70
　　All but wiped out, this primate was placed under protection in 2000. It is still in grave danger, but in 2003 its numbers rose for the first time in decades.
　　cnnas (2009-4-02 10:46:59)
　　Blackfoot ferrets
　　Habitat: The North American Great Plains
　　Remaining: 1000
　　America's only a ferret is the most endangered mammals. In 1986, there were only 18, but the species is recovering.
　　Black-Footed Ferret
　　North American Great Plains
　　Number remaining: about 1,000
　　The continent's only native ferret is one of its most endangered mammals. In 1986, there were only 18 individuals left, but the species is clawing back.
　　cnnas (2009-4-02 10:48:18)
　　Borneo pygmy elephant
　　Habitat: North Borneo
　　Remaining: 1,500
　　Asian elephant is shorter than 20 inches (50 cm), Borneo pygmy elephant also more docile. Palm plantations have reduced, so that they live in a crowded space.
　　Borneo Pygmy Elephant
　　Northern Borneo
　　Number remaining: about 1,500
　　Shorter than the Asian elephant by about 20 in. (50 cm), the Borneo pygmy elephant is also more docile. Palm plantations have reduced its range, leaving it crowded for space.
　　cnnas (2009-4-02 10:50:40)
　　Giant Panda
　　Habitat: China, Myanmar, Vietnam
　　Remaining: fewer than 2,000
　　Loss and fragmentation of panda habitat led to a dangerous state of the main reasons. Captive breeding and species conservation with the help of the panda from extinction.
　　Giant Panda
　　China, Burma, Vietnam
　　Number remaining: fewer than 2,000
　　Loss and fragmentation of habitat are to blame for the panda's perilous state. Captive breeding and species protection are helping the panda hang on-barely.
　　cnnas (2009-4-02 10:52:05)
　　Polar bears
　　Habitat: Arctic Arctic
　　Remaining: less than 25,000
　　Long-term human development and poaching threaten the survival of polar bears, climate change and the loss of sea ice are now resulting in reduction of the main reasons.
　　Polar Bear
　　The circumpolar Arctic
　　Number remaining: fewer than 25,000
　　Human development and poaching have long threatened the polar bear, but climate change and the loss of sea ice are now pushing it onto the critical list.
　　cnnas (2009-4-02 10:54:17)
　　Mekong giant catfish
　　Habitat: Mekong region of Southeast Asia
　　Remaining: hundreds of
　　Because of its huge head and particularly valuable (the largest ever found is 646 pounds, or 293 kg), and now in Thailand, Laos and Cambodia are protected species, but fishing continues.
　　Mekong Giant Catfish
　　Mekong region of Southeast Asia
　　Number remaining: hundreds
　　Prized for its enormous size (the largest ever caught was 646 lb., Or 293 kg), it is now protected in Thailand, Laos and Cambodia, but fishing goes on.
　　cnnas (2009-4-19 22:38:47)
　　Purple marsh crabs Purple Marsh Crab
　　Only in the wetlands of Guinea in West Africa, the purple marsh crabs living in the mud hole is still wet even in dry season. First living specimens, these semiterrestrial air-breathing, collected in 2005.
　　The recent discovery of a new population of the elusive crab, leading to its conservation status was reclassified from "serious" to "endangered" on the 2008 Red List of endangered species.
　　Found only in the wetlands of upper Guinea in West Africa, the purple marsh crab lives in muddy holes that remain wet even during the dry season. The first living specimens of these semiterrestrial air-breathers were collected in 2005.
　　The recent discovery of a new population of this elusive crab has led to its conservation status being reclassified from "critical" to "endangered" on the 2008 Red List of Threatened Species.
　　cnnas (2009-4-19 22:40:37)
　　Rameshwaram parachute spider
　　Rameshwaram Parachute Spider
　　Limited to a few plant on the island of Rameshwaram and nearby mainland of India, Rameshwaram parachute spider is a critically endangered tarantula's 2008 Red List of threatened species.
　　The number of spiders may be less than 500 pieces of forest land as their habitat is destroyed planted into tourist destinations.
　　Restricted to a handful of plantations on the island of Rameshwaram and the nearby mainland of India, the Rameshwaram parachute spider is a critically endangered tarantula on the 2008 Red List of Threatened Species.
　　The spider likely numbers fewer than 500 individuals, as its woodland habitat is being destroyed as plantations are converted into tourist destinations.
　　cnnas (2009-4-19 22:42:02)
　　Holdridge Holdridge's Toad of Toad
　　The Costa Rica, Holdridge's toad is extinct in the 2008 IUCN Red List of Threatened Species, released on October 6.
　　Despite numerous investigations, amphibians has not been recorded in its rainforest habitat since 1986.
　　Researchers believe that the toad may be the victims of the devastating fungal disease, has been linked to a general decline, the world's amphibian species.
　　The Holdridge's toad of Costa Rica is defined as extinct on the 2008 IUCN Red List of Threatened Species, released October 6.
　　Despite numerous surveys, the amphibian has not been recorded in its rain forest habitat since 1986.
　　Researchers think the toad might be a victim of a devastating fungal disease that has been linked to widespread declines in the world's amphibian species.
　　cnnas (2009-4-19 22:43:04)
　　Cuban Crocodile Cuban Crocodile
　　More than eighty percent population decline over the past three generations led to the Cuban crocodile to be from "endangered" to "critically endangered" on the 2008 Red List.
　　Hunting, hybridization and other crocodile species and habitats has contributed to decline in the quality decline of small, freshwater crocodile, which is found only in Cuba.
　　Population decreases of more than 80 percent over the last three generations have led to the Cuban crocodile being moved from "endangered" to "critically endangered" on the 2008 Red List.
　　Hunting, hybridization with other croc species, and diminished habitat quality have contributed to the decline of the small, freshwater crocodile, which is found only in Cuba.

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Animals in the "mathematicians"

　　In the golden rectangle (width to length ratio of 0.618 of the rectangle) in relying on three sides made of a square, the remaining part is a golden rectangle, can in turn be made into a square. Square centers of these links in order, get a "golden spiral." The oceanographers found the body in the Nautilus, in some animals, body scrub, or crustaceans, mollusks who have found the "golden spiral."
　　Scientists also found that corals can be wonderful in their own room to remember who the "Calendar"; them every year in their body wall depicts a 365 ring pattern, that day, "painting" an even more surprising is that paleontologists have found that in 300 million million years ago of coral per year "draw" out of the ring pattern is 400. That is why it? Astronomers tell us that, when the rotation of the earth is only 21.9 hours a day, 365 days a year is not, and is 400 days. This shows that corals can change according to Sky "calculated", "record" year, the result is very precise.
　　Ant is also excellent, "mathematician." British scientists Hunston has done an interesting experiment: he will cut into three pieces of a dead grasshopper, and the second block of a large double than the first, the second block of the third block off than twice as large as that found in the ant Food 40 minutes after the three gathered in the smallest parts of a grasshopper ants only 28, there are 44 second block, third block as much as 89, the latter group is almost double than the former group.
　　Bees can be regarded as a "mathematical genius and designer." Honeycomb built by worker bees quite wonderful. It was built at the bottom of the diamond-shaped honeycomb are all obtuse angle 109 ° 28 ', all of the acute angle is equal to 20 ° 32'. After a mathematician from the theoretical calculations, to consume the least material, the largest diamond made of it is this angle.
　　Red-crowned Crane is always in groups of movement, and arranged in "human" shape. That "person" is always shaped angle 110 °. "Human" shape exactly half of the angle 54 ° 44'8 ", but the angle of diamond crystal is exactly the degree.

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The role of animal tails

　　We all know the kangaroo's tail is well developed, grow thick and long, so bear more of the rat tail
　　And much longer than some of its body. Their tail effect?
　　Grasslands in Australia, the kangaroo is a poor defenseless animal, it must always guard against the invading enemy, one with the enemy ran. It is easy to observe the enemy in order to be standing still. At this point the tail to play a supporting role in the body.
　　Long tail mice bear has its magical effect. When the Bears when the rats jump higher ground, must make the waist, legs and tail are ramped up its power to jump. In the past the wire, it also uses its tail to maintain balance in the body, like an acrobat walking a tightrope as when the long pole in his hand.
　　The role of the squirrel's tail is larger, squirrels often jump up and down from the tree, this large jump squirrel tail can increase the distance. Tree squirrels jump from tree to tree, when the tail straight, you can jump out of a dozen meters away, relying on this ability, when faced ferocious animals, squirrels, it can quickly escape. Another squirrel jump from a tree, the big tail like a parachute, so that squirrels can safely fall to the ground, fall to the ground, the big tail and pared, thick, soft, foam pad to play a role in squirrels at rest, the big tail on the body, like quilt cover, like the head and body, play a heating effect.
　　Bird's tail is used to control the direction to the ship's rudder and the same.
　　You watch an eagle hovering in the air, the tail will be able to understand this. Swallow tail was scissors-like, is used to sudden changes in direction.

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Poems about animals

　　Llama sale
　　【】 Bai Tang
　　Spent five years under the drunk riding, the Pro to sell back to hiss loudly.
　　Xiang Ji Gu piebald still Solutions sigh, Luo Qi Lotte not heartless.
　　Nag
　　【】 Yao Tang
　　Can not afford to lie to help another, only the cries of the host. Depressed eastern suburb Road, autumn rain as mud.
　　Bath MA
　　Yu Tang】【mallard
　　Solutions to control complex received whip, moving small ripple the Chosin. Shen greenstone empty shoes, wide chest did not even money.
　　Swirling foam bridge the sound, the cries of the plate Liu Ying edge. Often heard of intrinsic long, solid and white wave it.
　　Tigers line
　　Qi Ji Tang】【
　　Seoul grinding teeth, claws Seoul wrong.
　　Fox Mo Wei, Mo cunning rabbit,
　　Hunger to devour take full bowel.
　　Rampant fear the Sun and Moon,
　　Seoul producing a living hunting heaven.
　　Middle of the night before the village heard the roar,
　　Who Anjian light Yingying.
　　Tiger Track
　　【】 Wei Tang
　　White frequently amount to the door the night, had become the group of waterfront trail.
　　Today I retire from the world habitat rock, and caves to see also the king.
　　Wing wau
　　【】 Jiaming Tang
　　Ning Qi whip who have been knocking on angle, the body was again Tiandan desperately.
　　Free to the sun chewing hay, the recent surge is no one to ask.
　　Cattle
　　【】 Li Qiao Tang
　　Google entering the phase of Qi, Yan Wang array power early. For the peach orchard, the first ever under the catalpa.
　　Wu frequency of asthma in the month, Ben dream repeated convulsions. Not five DING Shi, how Jiuzhe pass.
　　Cow
　　【Song】 Li Gang
　　Plow thousands of acres of real case, and about exhausted who re-injured?
　　But may all beings who obtain full, without any hesitation Lei ill in bed _set_ting sun.
　　Crane goose gift
　　【】 Bai Tang
　　Jun Albatron into the wind, I was driven to the ducks.
　　Snow Neck hair red tennis palm, where better to see the king?
　　A goose Crane
　　【】 Bai Tang
　　After the Yuhe by Youjun dead, only by ducks fly together with the chicken.
　　And for us the sacrifice may not be, I lost most wins Jun fertilizer.
　　Have Fanggongchie
　　【】 Fu Tang
　　A group of housing relative to the West Pavilion geese, sleep in clouds of white sand Pan-Pu.
　　Phoenix pool should be back, with the king of the cage for the newspaper Youjun.
　　Gosling children before boat
　　【】 Fu Tang
　　Yellow Goose children like wine, wine and love the new goose. Hoping to force the ship anger, no more than the eye line of chaos.
　　Accommodation wing opened by rain, storm, T.-P. force is small. City of San layer off evening, the fox Chennai Ruohe.
　　Question goose
　　【】 Yin Tang
　　Sleep lying water from the sand and flocks of shore _set_ting sun very Pu Yun Qu.
　　Solutions to the heart hole pity that Tsui, custodial female were so long hung points.
　　State of North Pond Road, geese
　　【】 Lu Wen Tang
　　I am not a good goose addiction, lack of Ming Yan Zi Seoul. Andhra tripod to avoid boiling, Danran Qingchi tour.
　　Students could not bear to see food, affection solid in Sri Lanka. Able to fly from the far, no rice beam to read.
　　Jiaotu line
　　【】 Su Zheng Tang
　　Boneless autumn fertilizer, hired thugs all over the wilderness.
　　Three points have no place in the possession of the grass, not to mention those who Hirata no points.
　　Yong dead rabbit
　　【】 Su Ting Tang
　　Lan playing dead rabbit, who to hang the mirror. Test will be the mirror, see He Yi month.
　　Geese
　　LUO
　　Goose goose
　　Crooked to Tiange.
　　White hair floating green water,
　　Anthurium call Shiba.

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English Expression

n.: primate, moving object, be tenacious of life, be a prey to, zoology, thing, animal, people, creature
adj.: omnivorous, predatory, horned, rampant, homing, unclean, undomesticated, crustacean, carnivorous, anthropoid
vi.: prowl

French Expression

n. animal

Thesaurus

zoology, animality

Related Phrases

Birds	Strigidae	Strigiformes
erxiaoshu	Climbing birds	ave
Psittaciformes	popinjay	gruiformes
Gruidae	Grus	valuable and rare Be critically ill animal
phasianidae	first-grade State protection animal	More results...

Containing Phrases

animal	menagerie	zoology	animality	fauna	puppy
gelatin	animality	fauna	zoonosis	animal	fellow creature
animal scale	animalcule	grease	put (a person) out of his pain	vivisect	vibrator
twirling	tom	flipper	impeller	dock	eater

Classification details

Tourism

Education

Zoology

menagerie	park
Shanghai Zoo	Taurus Park
Nanning Lion mountain Park	Martha Unit of information expressed as a choice between two possibilities national park
Kafue national park	Aerba tower Province Dinosaur Park
8 Mt park forest	Yunnan Chengjiang Fauna Dinosaur Country geology Park
cap Tianshan China Country geology Park	Germany Swabi Ya'a'erbi geology Park
Tuen Mun Park	Kuala lumpur Birds Park
canton cayman Park	Provincial Dinosaur Park

rat School

pedigree station	darling	sponge
sex	leather	poultry
mutton	Tetracycline class	entomology
livestock	notochord animal	contaminants
invertebrates	Lamellibranchia Gang	first-grade State protection animal
zooplankton	Scombridae	ethology
xanthophyta	Mastigomycotina	Deuteromycotina
pronucleus	homoiotherm	Priority preserve Wilding
Sphenopsida	Angulus	aristolochic acid
ingestion	marine animals	Lombok Tengah
freshwater	helminth	Spondylidae
phoenix	Kheda	Janjgir
babe	bergamot	peafowl
duck	sheep	Lime
wing	melon	Arctic fox
frog	fox	amber
kylin	leo	lark
breeding	musk	scorpion
regurgitate	adapt	aging
caterpillar	guest	national treasure

More results...