Evaporative Cooling Is Used Only as a Last Resort by Animals

question 82

Multiple Choice

Evaporative cooling is used only as a last resort by animals in hot and dry environments because

• A) it is ineffective at dissipating heat.
• B) sweating or panting dissipates heat but can cause excessive water loss.
• C) sweating requires a significant expenditure of energy.
• D) it requires an insulating layer in the skin.
• E) it requires a resetting of the animal's thermostat.

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