Which of the following features in birds indi | vedclass

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(A) Birds share several anatomical features with reptiles,which are considered evidence of their evolutionary origin from reptilian ancestors. One of

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Scales on hind limbs

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(A) Birds share several anatomical features with reptiles,which are considered evidence of their evolutionary origin from reptilian ancestors. One of the most prominent features is the presence of epidermal scales on their hind limbs,which are homologous to the scales found on the skin of reptiles. While birds have a four-chambered heart and lay eggs with calcareous shells,these are adaptations or traits shared with other groups or evolved independently. The presence of scales on the hind limbs is a direct morphological link to their reptilian ancestors.

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

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