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  • The bones of forelimbs of whale, bat, cheetah, and man are similar in structure, because: a. one organism has given rise to another b. they share a common ancestor c. they perform the same function d. the have biochemical similarities

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

a. one organism has given rise to another

b. they share a common ancestor

c. they perform the same function

d. the have biochemical similarities

Answers (1)

The answer is the option (b) they share a common ancestor

A similar structure is an indication of common ancestry. The concept that similar structures point to a shared ancestry is a basis of evolutionary theory, often referred to as homology. When different organisms exhibit strikingly similar anatomical features—whether in bones, organs, or body parts—it hints at a deep, shared evolutionary history.

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