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← Nature & AnimalsWhich outcome directly arises when pneumatic ducts fail during rapid ascent?
A)Reduced buoyancy control during surfacing✓
B)Increased metabolic rate due osmoregulation
C)Enhanced oxygen uptake in capillaries
D)Minimized energy expenditure of muscles
💡 Explanation
Failure of the pneumatic duct linking the swim bladder to the esophagus prevents gas release, which results in over-inflation and compromised buoyancy control because the fish cannot regulate buoyancy during accent rather than maintaining control, therefore affecting depth regulation within dynamic pressure.
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