AP Biology Multiple Choice Practice Test

Question 1 of 3
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Which of the following best describes the pattern of punctuated equilibrium in evolution?
Speciation occurs when random changes accumulate over long periods of time.
Geographic isolation is the predominant mechanism of speciation.
Small changes that accumulate over long periods of time lead to the divergence of one species into two or more species.
Speciation events occur relatively rapidly.
Small changes that accumulate over long periods of time lead to the formation of a new species and the extinction of the old species.