One of the Key Contributions of the Punctuated Equilibrium Model

question 24

Multiple Choice

One of the key contributions of the punctuated equilibrium model is that it helps explain

• A) why transitional fossils are more common than Darwin would have predicted.
• B) why transitional fossils tend to be rare and certain common fossil species remain unchanged for long time spans.
• C) how new species arise from hybridization events.
• D) why large, widespread populations tend to be the ones that evolve most rapidly and unpredictably.

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Definitions:

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A bacterial infection usually spread by sexual contact that starts as a painless sore.

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