Two species of flies, Drosophila melanogaster and Drosophila simulans, can mate. They usually do not mate, however, even if they are kept together in a laboratory. Males court the females of both species, but the females prefer to mate with males of their own species. Which isolating mechanism does this describe?
behavioral
temporal
artificial
anatomical
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Two species of flies, Drosophila melanogaster and Drosophila simulans, can mate. They usually do not...
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