Ascientist 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.

the scientist was not open-minded.

the scientist reproduced the results.

the scientist used scientific methods.

the scientist needs more supporting evidence.

The scientist needs more supporting evidence.

Explanation:

The scientist only observed one chimpanzee, and no others. There is no way for certain for him to know that all chimpanzees use tools. In order for him to more reinforce his claim, he should observe several other chimpanzees and see if they also use tools. Once he has observed enough, then he can make a reinforced claim.

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