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

Answer 1

The correct answer is:

c. tool-making was a defining characteristic of humans

Step-by-step explanation:

They believed that the tool making was a characteristic that was possessed by humans.The initial stone toolmaking increased by at least 2.6 million years ago. The Early Stone Age covers the most basic stone toolkits made by early humans. The Early Stone Age in Africa is comparable to what is described the Lower Paleolithic in Europe and Asia.

Answer 2

The answer to the question stated above is letter C.
Observation of tool-making among chimpanzees was revolutionary primarily because scientists believed tool-making was a defining characteristic of humans.
>>>FACT<<<
>Chimpanzee mothers in the Tai Forest, instruct their children in tool use. Chimpanzee mothers assist them in placing the nut in the anvil in the proper way.