Question

Adaptive radiation in mammals​

Answer 1

Answer:

An adaptive radiation occurs when a single or small group of ancestral species rapidly diversifies into a large number of descendant species. Among factors that can trigger an adaptive radiation, ecological opportunity is probably foremost.

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Answer 2

Adaptive radiation is the evolutionary process by which many species originate from one species in an area and radiate to different species. The phenomenon of adaptive radiation was first observed by Darwin when he travelled to a place called Galapagos Island.