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← Nature & AnimalsWhich result occurs when an endothermic mammal minimizes subcutaneous fat before overwinter?
A)Increased reliance on non-shivering thermogenesis✓
B)Reduced metabolic rate during torpor
C)Enhanced insulation against thermal gradients
D)Decreased shivering frequency in extremities
💡 Explanation
Reliance on non-shivering thermogenesis increases because the mechanism of insulation is diminished; therefore, to generate heat without fat to insulate, brown fat activity increases rather than the mammal being able to reduce metabolic rate or increase insulation that it doesn't have.
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