General Article What is mass extinction and are we facing a sixth one?

Topic Selected: Endangered & Extinct Species Book Volume: 402
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The definition of a mass extinction

Extinction is a part of life, and animals and plants disappear all the time. About 98% of all the organisms that have ever existed on our planet are now extinct.

When a species goes extinct, its role in the ecosystem is usually filled by new species, or other e...

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