Imagine that you are a biologist attempting to get an accurate measure of an animal's basal metabolic rate. The best time to measure the metabolic rate is when the animal _____
A) is resting and has not eaten its first meal of the day
B) is resting and has just completed its first meal of the day
C) has recently eaten a sugar-free meal
D) has not consumed any water for at least forty-eight hours
E) has just completed thirty minutes of vigorous exercise
Answer: A
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