About extinction event

An extinction event is a widespread and rapid decrease in the biodiversity on Earth. Such an event is identified by a sharp fall in the diversity and abundance of multicellular organisms. It occurs when the rate of extinction increases with respect to the background extinction rate and the rate of speciation.

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Facts from Wikidata (CC0). Image by Rursus via Wikimedia Commons (CC BY-SA 3.0).

extinction event

widespread and rapid decrease in the amount of life on earth

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