What did the field studies of Japanese primatologist Kinji Imanishi reveal about bonobos?
a. importance of social ranking and competition
b. importance of social cooperation
c. importance of fatherchild bonds
d. importance of male dominance hierarchies
Question 2
The cranial capacity of late H. erectus is 47 bigger than that of the earlier forms.
a. True
b. False
Indicate whether the statement is true or false