Check all that are true regarding the anatomy and physiology of the sense of equilibrium. check all that apply

a. otoliths are small calcium carbonate crystals that are embedded within a gelatinous layer.
b. otoliths and the gelatinous layer form the otolithic membrane.
c. when the head is held erect, the otolithic membrane applies pressure directly on the hair cells.
d. when the head is tilted, the hair cells remain erect, but there is a change in neurotransmitter release.

Which locations on the map are low-pressure areas? a b c d e

In which way are mercury and venus similar? they both rotate from east to west. they are both small and rocky. they both have thick atmospheres. they both are similar to earth in structure.

Based on the observation that only male crickets produce a song, you hypothesize that a male's song is a form of communication to potential mates. you set up a simple experiment to test this hypothesis. in the laboratory, you place a male snowy tree cricket in enclosure a, which is adjacent to enclosureb. in enclosure b, you place other insects, one at a time, and observe their responses to the male's song. the enclosures are designed so that the two insects being tested cannot see or smell each other, but sound is transmitted from enclosure a to enclosureb.