All of the following have been seen as major physical changes resulting from the process of evolution EXCEPT:
a. social control of sexuality through the development of the family
b. the development of an upright posture and an enlarged cerebral cortex
c. the establishment of hunter-gatherer bands as the basic territorial unit of human society
d. the production of large agricultural surplus
Question 2
Which region has the lowest percentage of people over the age of 65?
a. Africa
b. North America
c. Europe
d. Asia