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Nature & Animals

Which adjustment do fish employ when buoyancy imbalances occur due to swim bladder damage?

A)Altering fin angles and stroke frequency
B)Modifying kidney salt excretion rates
C)Adjusting blood oxygen-carrying capacity
D)Contracting muscles along the lateral line

💡 Explanation

When swim bladder damage affects buoyancy, fish use active body positioning and adjustments in fin movements as compensational behavior because they lack passive neutral buoyancy control. Therefore, fin angle and stroke frequency is changed, rather than processes handled by kidney, blood, or lateral line functions, which address different variables.

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