Question
Despite having many traits in common with fish, including a streamlined body and fins, dolphins are mammals, not fish. Are these similar traits homologous or analogous?
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Homologous traits are those that are shared by two or more species because they have been inherited from a common ancestor. Analogous traits, on the other hand, are those that are similar in function but not in structure, and they have not been inherited from a Show more…
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