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Which of the following explains how the frequency of sound waves determines the movement of the basilar membrane? (1.0 points)
A)Higher-frequency waves move the region of the basilar membrane that is close to the base of the cochlea, whereas lower-frequency waves move the region that is near the tip of the cochlea.
b)Higher-frequency waves move the region of the basilar membrane that is near the tip of the cochlea, whereas lower-frequency waves move the region that is close to the base of the cochlea.
C)Higher-frequency waves move the region of the basilar membrane that is near the middle of the cochlea, whereas lower-frequency waves move the region near the base of the cochlea.
D)Higher-frequency waves move the region of the basilar membrane that is closer to the scala tympani, whereas lower-frequency waves move the region that is closer to the scala vestibuli.

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Answer:

In higher vertebrates the internal fluid of the inner ear (not external fluid as in fish) bathes ... The pinna and external auditory meatus collect these waves, change them ... 12.3 The Cochlea: three scalae, basilar membrane, movement of hair cells ... frequency sounds stimulate the base of the cochlea, whereas low frequency ...

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