In your study group, your classmates are discussing the relationship between energy expenditure and body size in different animals. There is much confusion as members of the group try to figure this out. How can you explain this to them?
A. A hummingbird has a larger mass-specific metabolic rate than a horse.
B. An alligator has a larger mass-specific metabolic rate than a small lizard.
C. A horse has a larger mass-specific metabolic rate than a hummingbird.
D. A hummingbird has a larger mass-specific metabolic rate than a horse, and a small lizard has a larger mass-specific metabolic rate than an alligator.
E. A small lizard has a larger mass-specific metabolic rate than an alligator.
Answer: A
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