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When a single species, such as ancestor of the Galapagos finches, has evolved into several different forms that live in different ways we say that_ has occurred.

A.adaptive radiation
B.coevolution
C.mass extinction
D.punctuated equilibrium

User Bmelnychuk
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Answer:

A

Step-by-step explanation:

In evolutionary biology, adaptive radiation is a 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, alters biotic interactions or opens new environmental niches.

User Harvey Darvey
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