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Energy Demands of Differently Sized Organisms

APBIO-V6X3Y4

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?

A

The field mouse uses fewer calories to maintain body mass (relative to its size) than a horse.

B

The field mouse consumes more food per unit of body mass than a horse.

C

The field mouse has a slower breathing rate than a horse.

D

The field mouse has a slower heart rate and blood volume (relative to size) than a horse.