Above shows the history of hominids, fossils leading up to the modern human, the left being the most primitive and the right being
the most modern. What kind of changes have been made between the most primitive and the most modern skull?
1. jaw size and position
II. brain size
III. number of teeth
IV. brow shape
OA. I, II, and III
OB. II and IV only
OC. I, II, and IV
OD.
I and Ill only
