WHICH ONE OF THE FOLLOWING ASPECTS OF SUCKLING BY AN INFANT SUGGESTS THAT ONTOGENY RECAPITULATES PHYLOGENY WITH RESPECT TO HUMAN SPEECH ORGANS?

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7. ONTOGENY RECAPITULATES PHYLOGENY

WHICH ONE OF THE FOLLOWING ASPECTS OF SUCKLING BY AN INFANT SUGGESTS THAT ONTOGENY RECAPITULATES PHYLOGENY WITH RESPECT TO HUMAN SPEECH ORGANS?

a. A child can suckle and breathe at the same time.

b. A suckling child often makes the sound, “Mm,” a sound that is found in the word for “mother” in nearly all the world’s languages.

c. A child, while suckling, produces only a limited range of speech-like vocalizations, whereas weaning frees up the vocal organs to make a more elaborate range of sounds.

d. A suckling child tends to watch its mother, from whom it will learn how to make more elaborate sounds once it is weaned.

e. A suckling child shows no right or left hand preference, showing that the brain has not lateralized.

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