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The wing of a bat, the arm of a human, and the flipper of a whale are structurally different even though they have similar bone structure. what is the main reason for these structural differences?

User Jack Ha
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1 Answer

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considered to be homologous structured similarities, they are different due to evolution and how they were used over thousands of years, eventhough they are all similar because of a common ancestor.
User Firstinq
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