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The energy required to maintain the metabolic rate of a small field mouse is inversely related to its size.
Based on this information, which of the following is MOST accurate?
The field mouse uses fewer calories to maintain body mass (relative to its size) than a horse.
The field mouse consumes more food per unit of body mass than a horse.
The field mouse has a slower breathing rate than a horse.
The field mouse has a slower heart rate and blood volume (relative to size) than a horse.