Question

Observation of tool-making among chimpanzees was revolutionary primarily because scientists believed _______.
a.
chimpanzees lacked the dexterity to make tools
b.
tool use was a defining characteristic of humans
c.
tool-making was a defining characteristic of humans
d.
none of the above


Please select the best answer from the choices provided

A
B
C
D

Answer 1

The best answer is **C**. Tool-making was traditionally viewed as a defining characteristic of humans, so the observation of tool-making among chimpanzees challenged that belief and was considered revolutionary.