Why Did Researchers Switch from Trying to Get Chimpanzees to Speak

question 173

Multiple Choice

Why did researchers switch from trying to get chimpanzees to speak language to sign language?

• A)Chimpanzees already exhibited a gestural form of communication.
• B)Chimpanzees lacked a larynx,making them unable to produce the same range of sounds as humans.
• C)Sign language had a preset grammar that was easy to understand.
• D)All of the above

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