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The fact that people’s ears are located on opposite sides of their heads is most adaptive because it helps us
(A) sense a greater range of frequencies.
(B) gauge the intensity of a stimulus.
(C) identify the origin of a sound.
(D) respond to noises behind us.
(E) figure out what sounds to ignore.
Spoiler
Answer
(C) identify the origin of a sound.
Spoiler
Explanation
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.
Posted : 01/05/2024 2:08 pm