Which Statement About Endotherms Is True

question 77

Multiple Choice

Which statement about endotherms is true?

• A) They can lower their body temperature by producing heat metabolically.
• B) They can raise their body temperature by mobilizing active mechanisms of heat loss.
• C) They respond to cold by mobilizing active mechanisms for heat loss.
• D) Some can use regulated hypothermia to conserve energy.
• E) Endothermy likely evolved in animals where a mutation prevented leaks in ion channels, giving them a selective advantage by increasing their time of activity in the cooler night temperatures.

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Definitions:

Asset Turnover

A financial ratio that measures the efficiency of a company's use of its assets in generating sales revenue, indicating how effectively assets are utilized.

Generate Sales

The activity of creating or increasing revenue through the sale of goods or services.

Price-Earnings Ratio

A valuation ratio of a company's current share price compared to its per-share earnings, used to evaluate if a stock is over or underpriced.

Asset Turnover Ratio

A measure of how efficiently a company uses its assets to generate sales revenue, calculated by dividing total sales by average total assets.