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← Nature & AnimalsWhich risk increases when arctic fox body core temperature exceeds normal limits during summer?
A)Enzyme denaturation from elevated heat✓
B)Reduced evaporative cooling efficiency
C)Compromised countercurrent heat exchange
D)Decreased winter fur growth rate
💡 Explanation
When the arctic fox's core temperature rises beyond normal values in summer, cellular metabolism rates increase, causing enzyme denaturation induced by elevated metabolic heat beyond tolerances. Therefore, enzyme denaturation risks increase, rather than issues with evaporation, countercurrent exchange, or fur growth tied to seasonal triggers and separate mechanisms.
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