Why do most fish have a body shape that is narrow at both ends and broader in the middle?

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A To help them swim easily through water by reducing water resistance.
B To help them store more oxygen in their bodies.
C Both of the above
D None of the above

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Answer: A. To help them swim easily through water by reducing water resistance.

Most fish have streamlined bodies, which are broad in the middle and narrow at both ends. This shape allows water to flow smoothly around their bodies, reducing water resistance and helping them swim faster and more easily.

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Why do most fish have a body shape that is narrow at both ends and broader in the middle?

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