Question

how does strreamlined body and fins help fish

Answer 1

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The body of the fish is supported by endoskeleton made up of bones. Fishpossess a streamlined body whichhelps them to swim in water. Fishswim with the help of their fins.Streamlined body helps in orientation of the fish movement in a particular path.
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Answer 2

because it movement like bird fish and stremlined like aeroplane