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During the 1990s Knowlton and colleagues studied pairs of sister species of the genus Alpheus (snapping shrimp). In each of these sister species pairs, members of one pair lived on the Caribbean side of the Isthmus of Panama, while members of the other pair lived on the Pacific side. What type of speciation might be responsible for this speciation? Group of answer choices
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During the 1990s Knowlton and colleagues studied pairs of sister species of the genus Alpheus (snapp...
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