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← Nature & AnimalsWhich outcome occurs when a hibernating marmot prematurely enters a warm microclimate?
A)Rapid vasodilation reduces metabolic suppression✓
B)Elevated shivering increases heat production
C)Increased brown fat induces lipid oxidation
D)Decreased respiration minimizes water loss
💡 Explanation
When exposed to warmer temperatures, peripheral vasodilation occurs because the marmot aims to dissipate stored heat via increased blood flow to the skin, reducing its metabolic suppression rate. Therefore, rapid vasodilation results, rather than shivering/brown fat (heat production) or respiration changes (water conservation).
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