A problem with the technological intelligence model for hominin brain expansion is __________.
A) that the tools suggested by the model are too complex for a small-brained hominin to produce
B) that tools were not used earlier than 2.5 million years ago
C) that simple tool use and production requires very little intelligence
D) that bipedalism occurred much earlier, and brain expansion occurred much later than the appearance and widespread use of stone tools

Question

Quizplus · Accepted Answer

Bipedalism occurred much earlier, and brain expansion occurred much later than the appearance and widespread use of stone tools.

A Problem with the Technological Intelligence Model for Hominin Brain