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← Nature & AnimalsWhich outcome occurs when a fish relies solely on diffusion rather than utilizes its swim's bladder?
A)Increased osmotic pressure in tissues
B)Reduced oxygen absorption efficiency✓
C)Enhanced buoyancy control at depth
D)Decreased metabolic rate sensitivity
💡 Explanation
Reduced oxygen absorption via lungs occurs when the bladder is not inflated due to reduced surface area; therefore, rate decrease occurs rather than improved; because diffusion rate alone cannot fulfil oxygen metabolic demands without a swim bladder.
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