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← Nature & AnimalsWhich outcome impairs buoyancy when gas bladder volume decreases?
A)Decreased fish ascent rate observed✓
B)Enhanced density-independent migration occurs
C)Expanded operational depth range attained
D)Reduced energy consumption experienced significantly
💡 Explanation
Reduced swim bladder volume limits lift via hydrostatic adjustment, due to reduced gas volume; this decreases ascent rate because buoyancy decreases, therefore fish lift slows, rather than descending faster due to gravity overwhelming the smaller lift.
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