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Question

Adaptive radiation in placental mammals and Australian Marsupials leading to similarity between distant species is an example of $\_\_\_\_$.

Options

A.founder effect
B.genetic drift
C.divergent evolution
D.convergent evolution

Solution

Sol. [Key Concept: Adaptive radiation — placental vs marsupial mammals]

When more than one adaptive radiation appeared to have occurred in an isolated geographical area (representing different habitats), one can call this convergent evolution.

Placental mammals in Australia also exhibit adaptive radiation in evolving into varieties of such placental mammals each of which appears to be 'similar' to a corresponding marsupial.

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