The structure of the forelimb of a bird is similar in structure to that of the forelimb of a mammal, suggesting that both descended from a common ancestor. this similarity is an example of evidence that supports the theory of evolution.
a. vestigial
b. biogeographical
c. biochemical
d. anatomical

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Explanation:

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her next move would be to use agarose gel electrophoresis to separate the dna molecules of varying length and create a dna fingerprint.