Which one of the following in birds indicates | vedclass

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(C) : Birds have originated from ancestral reptilian stock. These two classes share many common features that link the two groups. The evidence of the

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Scales on their hind limbs

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(C) : Birds have originated from ancestral reptilian stock. These two classes share many common features that link the two groups. The evidence of the reptilian ancestry of birds is provided by their comparative anatomy,embryology,and palaeontology.One of the key features is that all birds possess horny epidermal scales confined to the lower parts of their legs and feet,which are structurally identical to the epidermal scales found in reptiles.

Which one of the following in birds indicates their reptilian ancestry?

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