History of Mass Extinctions - Search Videos

Throughout Earth’s history, five major mass extinctions have drastically reshaped the planet’s biodiversity. The Ordovician-Silurian Extinction, approximately 444 million years ago, stands as one of the earliest cataclysms, eliminating around 85% of marine species. It was likely precipitated by a series of ice ages, causing significant drops in sea levels that disrupted marine habitats. The Permian-Triassic Extinction, known as the “Great Dying,” remains the most devastating event in Earth’s his

Throughout Earth’s history, five major mass extinctions have drastically reshaped the planet’s biodiversity. The Ordovician-Silurian Extinction, approximately 444 million years ago,

History In Pictures. History In Pictures · Original audio. Throughout Earth’s history, five major mass extinctions have drastically reshaped the planet’s biodiversity. The Ordovician-Silurian Extinction, approximately 444 million years ago, stands as one of the earliest cataclysms, eliminating around 85% of marine species. It was likely ...

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