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← Nature & AnimalsWhich environmental consequence results to soaring avian species when thermal updraft formation diminishes?
A)Increased metabolic energy expenditure occurs✓
B)Enhanced feather molt initiation is detected
C)Higher red blood cell production starts
D)Decreased preen oil synthesis accelerates
💡 Explanation
Reduced thermal updrafts necessitate more flapping because energy conservation through thermalling is lost; thermalling relies on *convection*, therefore metabolic energy increases, rather than changes to feather condition or blood components tied to oxygen processing.
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