Question

To study the effect of ambient (environmental) temperature on the metabolic rate of animals, a scientist takes a small animal and puts it in a sealed chamber with oxygen. The scientist measures the amount of oxygen used by the animal at different temperatures. The temperatures selected are those that the animal normally encounters in nature. The data from this experiment are in the table below.
DayTemperature (ÂșC)Oxygen consumption [mL O2/(min g0.75)]
11043
21530
32022
42516
53016
63516
74025
84532

At high temperatures this animal loses water rapidly. To prevent dehydration, this animal's nephrons should ________.
A) increase reabsorption
B) decrease reabsorption
C) increase secretion
D) decrease secretion

Answer

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