Identify the merit of the streamlined body of a fish.
A
Increases oxygen availability
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B
Increases water resistance to swim
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C
Reduces speed of swimming
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D
Decreases water resistance to swim
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Solution
The correct option is D Decreases water resistance to swim The body of a fish tapers at both the ends called streamlined body. This offers least resistance during forward movement. Hence this body shape is ideal for them to swim in water.