Three kinds of living fossils in the animal kingdom are recognized as tenacious, but they are on the verge of extinction!

Three kinds of living fossils in the animal kingdom are recognized as tenacious, but they are on the verge of extinction!

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About 65 million years ago, a great disaster came, which made dinosaurs disappear overnight. Since then, no dinosaurs have been seen. It was only 4.5 million years ago that the earth came to life. Many scientists have been exploring the ultimate reason for the disappearance of dinosaurs, most of them believe that it was caused by the impact of planets on the earth, but there is no exact evidence.

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Human beings have lived on the earth for some time. Although they are at the top of the food chain, compared with some ancient creatures, human history is still relatively short. Many contemporaries are gradually disappearing, but there are also some creatures who are tenacious and determined to survive. Through research, it has been found that there are still many prehistoric organisms on the earth, known as the living fossils in the animal kingdom. Which organisms are they? Three kinds of living fossils in the animal kingdom are recognized as tenacious, but they are on the verge of extinction!

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First, the platypus. About 25 million years ago, platypus emerged on the earth. As a mammal, although it has not evolved completely, its living habits are very distinctive and its appearance is very special. It has a history of tens of millions of years, and has not been extinct so far. It can be seen that it has its own unique way of life. Many creatures are forced to change their body functions in order to survive, so that they can survive. The platypus is one of the few prehistoric creatures, and it is a miracle that it can survive.

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The second is the giant salamander. The giant salamander is not a real fish. It often lives in fresh water lakes. It is an amphibian. It has survived for 165 million years, which is even longer than dinosaurs. However, the living environment of the giant salamander has been damaged by human behavior. Many giant salamanders have been cultured artificially and are almost on the verge of extinction. If human beings do not take some protective measures to put the giant salamander back Wild environment, then it is not far from extinction, many creatures are not the best by artificial breeding, it also has its own way of life, released to nature is also a kind of freedom for them.

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The last one is koala. Koala has another nickname, that is koala, it looks very cute, naive. According to relevant fossil studies, almost 25 million years ago, the ancestors of Koala appeared on the Australian continent. At that time, koala did not live in the forest, but lived in the tropical rain forest. It was slow and had a long history on the earth. Only in November last year, there was a huge fire in southeast Australia, which made koala homeless and even on the earth Thousands of koalas are dying. Now the number of koalas is gradually decreasing. They are no less valuable than pandas. Human beings should protect them all the time.

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These three kinds of creatures have a long history, each of them has its own characteristics, and their existence must have its own value. They are on the verge of extinction. As the environment changes, they should be alert. Apart from these three creatures, what other creatures do you know have a long history? You can leave a message for interaction.

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