What was the range of H. erectus' brain size?
a. 700900 cc
b. 7001,200 cc
c. 9001,200 cc
d. 1,0001,500 cc
Question 2
Where can the sagittal keel be found?
a. above the eye orbits
b. along the middle of the frontal bone
c. on the nuchal line
d. along the midline separating the parietal bones
