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Question

The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because:


A

one organism has given rise to another

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B

they share a common ancestor

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C

they have biochemical similarities

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D

they perform the same function

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Solution

The correct option is B

they share a common ancestor


The bones of forelimbs of whale, bat, cheetah and man share similarities in the pattern of bones of forelimbs.

Though these forelimbs perform different functions in these animals, they have similar anatomical structure. Due to homology, they share a common ancestry.


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