The main function of the swim-bladder is for
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Correct Answer: Option C
Explanation:
Explanation:
The swim-bladder (also called air bladder) in bony fishes helps them maintain buoyancy in water. By adjusting the amount of gas in the bladder, the fish can rise or sink without expending much energy.
Explanation:
The swim-bladder (also called air bladder) in bony fishes helps them maintain buoyancy in water. By adjusting the amount of gas in the bladder, the fish can rise or sink without expending much energy.