In bony fishes the swim bladder is used for
A. Absorbing more water when the fish is about to descend to a lower level
B. Equalizing fluid pressures between the fish and the surrounding water
C. Adjusting the weight of the fish when swimming at different levels
D. Extracting oxygen from water which enters the mouth of the fish?
In Biology
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Asked by Vanessa on 7th August, 2018
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