The barn owl's right ear opens slightly upward while its left ear opens slightly downward. This asymmetry is most useful for enabling the owl to detect the________of a sound.
Correct answer: D. location
- A. loudness
- B. amplitude
- C. wavelength
- D. location
Explanation
The owl's asymmetric ears receive a sound at slightly different times and intensities, allowing the brain to determine where the sound originated. Thus the arrangement helps detect sound location rather than loudness, amplitude or wavelength.
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