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Question

Flippers of penguins and dolphins are examples of:

A
Industrial melanism
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B
Natural selection
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C
Adaptive radiation
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D
Convergent evolution
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Solution

The correct option is D Convergent evolution
Analogous organs have similar functions but different origins. Flippers of penguin and dolphin have a similar function (helps in swimming). However, penguin and dolphin are not closely related to each other, and hence their flippers have different origins and are called analogous organs. This phenomenon is called convergent evolution in which different structures evolve for the same function.

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