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Ordovician-Silurian Extinction | Overview & Causes

Extinction | Definition & Types

Extinction | Definition, Causes & Examples

Extinction is a natural and common part of Earth's history, with an estimated 99% of all species that have ever lived now extinct. Catastrophic events like volcanic eruptions, asteroid impacts, and climate change have driven mass extinctions, which have paved the way for new life forms to evolve. While extinction is the norm, the survival and evolution of some species, like humans, are notable exceptions. | Science Acumen

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The 5 mass extinction events that shaped the history of Earth — and the 6th that's happening now