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← Nature & AnimalsWhich consequence results when soaring birds' wing area is insufficient for total body weight?
A)Increased metabolic energy expenditure needed✓
B)Enhanced lift through vortex generation
C)Reduced thermoregulation from airflow control
D)Decreased susceptibility to feather damage
💡 Explanation
Increased metabolic energy expenditure is necessary because higher wing loading requires more forceful flapping for lift, rather than efficient soaring through static lift generation. Efficiency decreases; therefore, more flapping results, rather than utilizing lift alone as much due to smaller optimal aerodynamic range.
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