Data on Extinction Rates Pre- and Post-Mass Extinction Rates Suggest

question 16

Multiple Choice

Data on extinction rates pre- and post-mass extinction rates suggest that the extinction rate remains elevated for some time after the mass extinction event.Which of the following statements is a plausible explanation for this observation?

• A)The negative effects of the original cause for the mass extinction persist after the original event.
• B)Although not completely extinct, many surviving species are confined to small geographic ranges that make them vulnerable to local extinction events.
• C)High mortality led to the loss of genetic diversity in survivors.
• D)Adaptive radiations after mass extinctions produce new predators and competitors that led to the extinction of mass extinction survivors.
• E)All of the above

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