A scientist observes one chimpanzee using sticks and leaves to pull ants out of anthills. The scientist concludes that all chimpanzees use tools. Why should you be skeptical of the conclusion? Choose the best answer.

Observing one chimpanzee is not enough evidence to conclude that all chimpanzees use tools. The scientist would need observations of more chimpanzees, preferably in different settings, to support such a broad claim. So the best answer is “The scientist needs more supporting evidence.”

AI-written and checked against the verified answer.