Throughout hominin evolution over time __________
A) brain size and facial size vary between larger and smaller
B) facial size decreases while brain size long remains constant
C) brain size increases while facial size long remains constant
D) brain size increases while facial size decreases

Question

Quizplus · Accepted Answer

Throughout hominin evolution, there has been a trend towards increasing brain size and decreasing facial size. This is known as the encephalization trend. The increase in brain size has been driven by selection for greater cognitive abilities, while the decrease in facial size is thought to be a result of changes in diet and the development of tools and technology for processing food.

Throughout Hominin Evolution Over Time __________