Which cochlear hair cells are stimulated by low frequency sounds?
a. hair cells located in the middle of the basilar membrane
b. hair cells scattered throughout the basilar membrane
c. hair cells located near the apex of the basilar membrane
d. hair cells near the base of the basilar membrane

Some species of hummingbirds have different shapes of beaks that evolved to allow them to drink from certain flowers. the flower species have evolved to produce nectar that is tasty for the hummingbirds. this example is a type of . cuckoos lay eggs in the nests of other birds. the cuckoo lays eggs identical to the eggs of the host species, so the other bird takes care of it. this is an example of .