Author Question: Which of the following suggests that all great apes evolved from a common tool-using ancestor and ... (Read 266 times)

joesmith1212 · **on:** Jun 22, 2018

Which of the following suggests that all great apes evolved from a common tool-using ancestor and that different ecological conditions fostered tool use for some species?

a. the fact that intelligence required for effective tool use is quite sophisticated
b. the fact that all great apes have hands similar to human hands
c. the fact that great apes develop a design stance similar to human infants
d. the fact that not all great apes use tools in the wild but can in captivity

Question 2

Some researchers suggest that the most proficient tool users while in captivity are

a. orangutans. c. chimpanzees.
b. gorillas. d. capuchin monkeys.