In order to accommodate massive jaw muscles robust ...

[asan beg]

In order to accommodate massive jaw muscles robust australopithecines have flared __________.
 
  a. sagittal crests
  b. mandibles
  c. brow ridges
  d. zygomatic arches

Question 2

Because of their anatomical features, robust australopithecines are considered to be __________.
 
  a. much more aggressive than gracile australopithecines
  b. meat eaters
  c. an evolutionary dead end
  d. more social than gracile australopithecines

[Mollythedog]

Answer to Question 1

Answer d

Answer to Question 2

Answer c

[asan beg]

Great answer, keep it coming

[laurnthompson]

Thanks for the timely response, appreciate it