- (C) The fact that people’s ears are located on opposite sides of their heads is most adaptive
because it helps us identify the origin of a sound. We locate sound by comparing the time it takes a
sound wave to reach each ear and the intensity of the sound wave when it hits each ear. Sounds that
come from our right reach our right ears more quickly and with greater intensity than sounds that
come from the left and vice versa. The location of our ears does not increase the range of
frequencies we can hear or help us gauge sound intensity, respond to noises behind us, or figure out
what sounds to ignore.
marvins-underground-k-12
(Marvins-Underground-K-12)
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