The first million years of human evolution was a time when populations remained small. This can be attributed to the fact that
A) there was a simple social structure.
B) food supply was easily used up
C) there was agricultural innovation.
D) democratic rule was present.

Question

Quizplus · Accepted Answer

During the first million years of human evolution, populations remained small primarily because the food supply was limited and could be easily exhausted, which restricted population growth.

The First Million Years of Human Evolution Was a Time