Adaptive radiation refers to ..........

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(B) Adaptive radiation is an evolutionary process in which organisms diversify rapidly from an ancestral species into a multitude of new forms,particu

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Evolution of different species from a common ancestor

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(B) Adaptive radiation is an evolutionary process in which organisms diversify rapidly from an ancestral species into a multitude of new forms,particularly when a change in the environment makes new resources available,creates new challenges,or opens new environmental niches.This phenomenon is best exemplified by Darwin's finches in the Galapagos Islands and Australian marsupials,where a single common ancestor gave rise to various species adapted to different modes of life.

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