Question

how fins help fish to move in water? give reasons .

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Answer 1

Fins help the fish in direction change.The fins has net like structure resulting move swiftly in water.

Answer 2

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Fish stretch or expand their muscles on one side of their body, while relaxing the muscles on the other side. This motion moves them forward through the water. Fish use their back fin, called the caudal fin, to help push them through the water. The fish's other fins help it steer.