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← Nature & AnimalsWhich risk sharply increases as albatross feathers degrade during an extended transoceanic foraging trip?
A)Critical flapping frequency reduction✓
B)Enhanced thermal energy absorption
C)Increased rate of evaporative cooling
D)Elevated cellular respiration demands
💡 Explanation
Feather degradation raises drag forces, requiring increased flapping for sustained flight; this occurs because higher drag overcomes lift. Therefore, flapping rate increases sharply due to induced drag, rather than conserving energy via thermal regulation or lower respiration.
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