Adaptive radiations on archipelagos (island chains) represent some of the best-u

Question

Adaptive radiations on archipelagos (island chains) represent some of the best-understood speciation events. Why is an ancestral species more likely to give rise to multiple descendent species on an archipelago than on an equal-sized area of mainland? A ) By chance, different species will colonize different islands in a chain. B )Favorable mutations are more likely to arise on an archipelago as populations try to adapt to conditions on their specific island. C) Populations on nearby islands are more likely to be genetically isolated than populations that are equally close to one another on the mainland Which one is correct??

Explanation / Answer

C) Populations on nearby islands are more likely to be genetically isolated than populations that are equally close to one another on the mainland

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