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← Nature & AnimalsWhich effect occurs when a capybara experiences overheating in a tropical environment?
A)Cutaneous vasodilation boosts heat dissipation✓
B)Reduced sweating minimizes water loss
C)Shivering generates metabolic heat
D)Peripheral vasoconstriction conserves core temperature
💡 Explanation
Cutaneous vasodilation increases blood flow near the skin surface enabling convective heat loss, because thermoreceptors trigger dilation. This increased loss cools the capybara, therefore preventing hyperthermia, rather than conserving heat or reducing water loss.
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