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Nature & Animals

Which behavior increases when a saltwater fish's swim bladder leaks?

A)Increased gill ventilation rate
B)Decreased osmotic water loss
C)Reduced need for active transport
D)Enhanced countercurrent exchange efficiency

💡 Explanation

Increased gill ventilation results because maintaining buoyancy becomes difficult due to the leaky swim bladder, and therefore higher metabolic oxygen demand requires increased ventilation, rather than adjusting osmoregulation or countercurrent exchange.

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