Torpor Has Evolved in Several High- Latitude Species Even Though

question 28

Multiple Choice

Torpor has evolved in several high- latitude species even though it is energetically expensive. Why does this adaptation require a large energy input for those species that utilize this function?

• A) During torpor, animals undergo excessive shivering to maintain their body temperature.
• B) Animals in torpor lower their body temperature dramatically and require a great deal of energy to bring the body temperature back up to normal.
• C) It takes a great deal of energy to stay alive when the body temperature drops to near ambient levels.
• D) These animals expend a great deal of metabolic energy to maintain their body temperature as the ambient temperatures drop.

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