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← Nature & AnimalsWhich outcome reduces thermal contrast during snake basking?
A)Cutaneous vasodilation alters surface emissivity✓
B)Muscular contraction increases convective cooling
C)Pulmonary ventilation accelerates evaporative heat
D)Piloerection enhances insulative air trapping
💡 Explanation
Cutaneous vasodilation increases blood flow to the skin, promoting conductive heat transfer, therefore minimizing temperature differences between the snake's core and surface, rather than convective or evaporative cooling, because these strategies rely on heat loss.
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