Why it is for fish to swim easily in water
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Explanation:
Fish swim by flexing their bodies and tail back and forth. 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. Fish have 5 types of fins. They are the pectoral, pelvic, dorsal, anal and caudal fins.
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because of there body structure made by the nature and also one characteristic is that they have fins that helps them to swim easily in the water .
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