A dolphin is a mammal that must come up to the water's surface to breathe. A shark is a fish that breathes underwater. Yet the dolphin and shark have similar body shapes. are these body shapes analogous or homologous? How come?
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Analogous structures are those that have a similar function but are not derived from a common ancestor. Show more…
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Dolphins and fish have similar body shapes. Is this feature more likely a homologous or analogous trait?
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