Torpor Has Evolved in Several High-Latitude Species Even Though It

question 18

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

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