![]() As a matter of fact, people may be going through one at the moment. However, mass extinctions are not only restricted to ancient times. Until now we know of five of that kind of incident of which the scientific society names “big 5.” For instance, the disappearance of dinosaurs about sixty-four million years previously was part of the 5. ![]() ![]() However, during mass extinction, that level increased. Therefore, although the “normal” level of disappearance – the normal extinction rate – has usually been slow, it varies according to the types of animals.įor example, from the normal extinction rate of mammals, people need to anticipate witnessing a species become extinct each seven hundred years. Still, there were times of transformations in the environment that initiated mass extinctions, where a lot of species die within a shortened period of time. Historically, disappearances are uncommon and happen really slowly. Still, did you think of how precisely a species vanishes from our world? Specific animals are endangered with extinction. ![]() Presently, a lot of species of animals are threatened. ![]() Chapter 1 – Our way of life and the way we wander around the world have directly led to extinctions in animal species. ![]()
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