Answer B is correct because only populations can adapt. Answers A and C are incorrect because they refer to an individual adapting. Answer D is incorrect because adapting has nothing to do with intelligence. Students may benefit from an explicit discussion of the specialized use of the term "adapt" by biologists. Common usage treats "adapt" as any type of change over time. Students often transfer this use to biology, but it is not compatible with the way that biologists use the term. We suggest to students that the word "acclimatization" would be a better term to use for non-inheritable changes in behavior made by an organism during its lifetime.
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