What does the auditory system do?
translates sound waves into audition
What does the basilar membrane do?
its where frequencies are heard
How do basilar membrane lengths vary with species?
they’re the shortest in amphibians and reptiles, longest in birds and whales/dolphins
What does a longer basilar membrane indicate?
can hear wider range of sounds
What does wavelength represent?
pitch
What does amplitude represent?
loudness
What does purity represent?
timbre
Relationship between frequency and wavelength
inversely proportional to each other