Bergmann's rule states that average body size tends to
A) decrease at high elevations and increase in low ones.
B) increase in cold climates and decrease in hot ones.
C) decrease in cold climates and increase in hot ones.
D) decrease at low elevations and increase in high ones.
E) decrease where the air is thinner and increase where it is thicker.

Question

Quizplus · Accepted Answer

Bergmann's rule states that body size tends to increase in colder climates and decrease in hotter ones in order to increase or decrease surface area to volume ratio for efficient thermoregulation.

Bergmann's Rule States That Average Body Size Tends to