Topic: animalsThe animal is a group of eukaryotic, multicellular organisms, classified as the animal in the world 5 classification system. The body of them grow up when grow. Most animals have the ability to move spontaneously and independently. Animals were divided into several smaller groups, some of which are làđộng vertebrates; molluscs; Arthropod; burning worm (earthworm and leech); sponges and jellyfish.Vertebrate animals: birds (Bird Bird Bird, magpie Robin, advice, pigeons, birds Sturnus), mammals (Outback: elephants, deer, Tigers, monkeys, bears, newspaper, Rhino etc.; Delta: dogs, cats, pigs, cattle, etc.), amphibians (frogs, toads, frogs, animals, etc.), reptiles (turtles, dinosaurs, crocodiles, snakes, etc.), fish (fresh water fish: fish, perch, carp, goby..; brackish water fish: dolphins, whales, sharks, etc.)Molluscs: oysters, clams (along with clam, scallop), Octopus, squid (squid, the Squid leaves, cuttlefish, a Squid Ma (Squid Soap), snails,Arthropod: Crayfish (lobster, prawn, lobster,,), scorpions, nhệncôn infection (mosquitoes, flies, cockroaches, butterflies etc.)We find out about a particular animal: the animal leaves dog dog. very close and familiar with humans, dogs are known to be a common pet into the home. Ancestors of dogs including the Fox and the Wolf is a species of mammals, almost like weasels in the cavity trees at around 400 million years ago. And dogs as we see today was evolved from a small dog, grey. At the end of last ice age, approximately 40,000 years ago, wolves and people living together in groups prey on herds. Wolves and people often argue each other prey, even killing each other. But it's the Wolf began to search through the pieces of food scraps left by humans. Humans have domesticated the Wolf son and through many generations of hybridization, the wolves evolve into a dog house,. The average gestation period of dogs extends to about 60 to 62 days, maybe earlier or extending to 65 days. [2] [3] Luckner, puppies do not have teeth but after only 4 weeks old have had 28 tooth. The full content of this species is 42.When the body heat, dogs often le tongue breathing to cool downDog eyes have to do 3: an eyelid over the lower eyelid, a third eyelid and is located in the middle of a deep, slightly inward, to help protect the eyes from dirt. Their ears are hearing loss, they can get vibration sound 35,000 in just a second. Their sense of smell also very popular as the ears. One can smell food somewhere in the kitchen but dogs can distinguish individual spices in the pot, even hunting dogs and find out the mushrooms you are located deep in the forest, since they can distinguish nearly 220 million smell. A dog's brain development. The dog distinguish the first object is based on the following motion to the light and shapes. So the sight of them very poor, only see 2 black-white. We have seen in the winter cold, occasional dog or get wet nose cover-tail, that's how they keep warm yourself. Dogs have two hair layers: outer layer such as we have seen, while the inner lining helps to keep them warm, dry in rainy day because the cold spell, even has the mission to "cool down" in the sultry days.It has been calculated to be 1 year old dog that correspond to the age of 16. Dog age 2 corresponds to the 3-year-old dog, age 24-30 people, and then every five years dogs in 4 year old people. Today, needs a dog scene is being developed so the small dog breed Chihuahua dog or Fox, as smart as Collie was more players interested. This is nothing difficult to understand by dogs are animals faithful, close to humans. Dogs help people a lot like homes, hunting, and are considered animals, loyal affection to humans.
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