Because of the amount of surface area per unit volume, a large body size loses heat less rapidly than a smalle

Question

a. The average body size of the deer population increases as you go towards the poles.

b. The average body size of the deer population has no relationship to geographical location.

c. The average body size of the deer population increases as you go towards the equator.

d. The average body size of the deer population increases as you go towards the west.

e. The average body size of the deer population increases as you go towards the east.

Answer 1

"a" -   the farther north you go, the bigger the deer, eg. cariboo elk and reindeer. they have an easier time retaining body heat.