Many human traits reflect the fact that our primate ancestors lived in trees. These traits include all of the following EXCEPT
A. grasping ability.
B. depth and color vision.
C. learning ability based on a large brain.
D. substantial parental investment in a limited number of offspring.
E. echolocation, made possible by overlapping visual fields.
Question 2
Which of the following is a cultural generality?
A. exogamy
B. the use of fire
C. the incest taboo
D. the use of symbols
E. the nuclear family
