By looking at the molars and chewing muscles of H. erectus, ...

[serike]

By looking at the molars and chewing muscles of H. erectus, researchers learned that
 
  A. H. erectus was more dependent on tubers than earlier hominins.
  B. H. erectus was more dependent on hunting than earlier hominins.
  C. the chewing apparatus of H. erectus was essentially identical to that of H. habilis.
  D. the chewing apparatus of H. erectus was different from that of H. habilis.
  E. H. erectus had not yet begun to hunt.

Question 2

________ did NOT facilitate the spread of H. erectus from tropical into subtropical and temperate environments.
 
  A. The use of fire
  B. Living in rock shelters and caves
  C. Upper Paleolithic toolmaking traditions
  D. Increasingly efficient hunting methods
  E. A larger brain and essentially modern skeleton

[jrpg123456]

Answer to Question 1

B

Answer to Question 2

C