Mass extinction refers to which scenario?

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Prepare for the MTTC Integrated Science (Secondary) Test. Utilize flashcards and multiple-choice questions, each accompanied by hints and explanations. Achieve success in your exam journey!

Multiple Choice

Mass extinction refers to which scenario?

Explanation:
Mass extinction is when a large number of species die off in a relatively short period, causing a dramatic drop in global biodiversity. This is different from the extinction of a single species or small, everyday fluctuations in biodiversity, and it’s not just a gap in the fossil record. In the fossil record, mass extinctions show a rapid, widespread loss across many groups, often followed by a lengthy recovery. So the statement about many species dying off quickly best captures what a mass extinction means.

Mass extinction is when a large number of species die off in a relatively short period, causing a dramatic drop in global biodiversity. This is different from the extinction of a single species or small, everyday fluctuations in biodiversity, and it’s not just a gap in the fossil record. In the fossil record, mass extinctions show a rapid, widespread loss across many groups, often followed by a lengthy recovery. So the statement about many species dying off quickly best captures what a mass extinction means.

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