The Metabolic Rates of Endotherms

Multiple Choice

The metabolic rates of endotherms

A) increase within the thermoneutral zone.
B) increase when environmental temperatures exceed those of the thermoneutral zone.
C) decrease when environmental temperatures fall below those of the thermoneutral zone.
D) remain unchanged when environmental temperatures drop below those of the thermoneutral zone.
E) remain unchanged when environmental temperatures rise above those of the thermoneutral zone.