Humans have vocal tracts that move freely and can be well coordinated, but the larynx muscles and vocal cords of apes don't have that same movement or coordination, according to the Max Planck Institute for Psycholinguistics. It's also possible that apes haven't evolved to speak like humans because they haven't needed to .
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Answer: B
Explanation:
Humans have vocal tracts that move freely and can be well coordinated, but the larynx muscles and vocal cords of apes don't have that same movement or coordination, according to the Max Planck Institute for Psycholinguistics. It's also possible that apes haven't evolved to speak like humans because they haven't needed to .