Which Statement About Mass Extinctions Is False

question 55

Multiple Choice

Which statement about mass extinctions is false?

• A) Paleontologists recognize five major mass extinctions.
• B) Dinosaurs were among the casualties of the last major mass extinction.
• C) Major extinctions can promote increases of diversity of some groups by removing their competitors.
• D) After a mass extinction, communities quickly recover and the diversity of life usually rebounds to previous levels within a million years.

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Definitions:

At Least 3

A criterion stating that a condition or quantity should be three or more, not less.

Mutually Exclusive

Situations or events that cannot occur at the same time; the occurrence of one event precludes the occurrence of the other.

Collectively Exhaustive

A condition in probability theory where a set of events covers all possible outcomes, ensuring that at least one of the mentioned events must occur.

Event A

A specified occurrence within a set framework, often observed within statistical and probability studies.