After eleven years, the descendants of transferred guppies in Venezuela and Trinidad were significantly larger than their ancestors, indicating that the larger size of guppies was a(n) adaptation to the new environment.
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Question

After eleven years, the descendants of transferred guppies in Venezuela and Trinidad were significantly larger than their ancestors, indicating that the larger size of guppies was a(n) adaptation to the new environment. 
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Quizplus · Accepted Answer

The larger size of the guppies after eleven years suggests that they adapted to the new environment, likely due to selective pressures favoring larger size in that specific ecological context.

After Eleven Years, the Descendants of Transferred Guppies in Venezuela