Question

a fish and dolphin can swim still they differ to each other. how??

Answer 1

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A fish and dolphin can swim still they differ to each other because

Also, dolphins are different than "dolphinfish," which are also known as mahi-mahi. Like every mammal, dolphins are warm blooded. Unlike fish, who breathe through gills, dolphins breathe air using lungs. ...

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Answer 2

Answer:

Dolphins evolved from land mammals whose legs were underneath their bodies. As a result, dolphins tails move up and down as they swim, whereas a fish's tail moves from side to side. Dolphins are warm-blooded and have blubber to keep them warm

Explanation: