A problem with the technological intelligence model for hominin ...

[j.rubin]

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 2

__________ suggest that the key impetus for the expansion of the brain was the selective advantage of being able to navigate and find food in a highly complex environment.
 
  a. Dietary models
  b. Ecological intelligence models
  c. Environmental intelligence models
  d. Movement and provisioning models

[nital]

Answer to Question 1

Answer d

Answer to Question 2

Answer b

[j.rubin]

Thanks for the timely response, appreciate it

[momolu]

Excellent