The sand grains or other dense materials resting on mechanoreceptors used by most invertebrates to sense gravity are called
A)cochlea.
B)statoliths.
C)otoliths.
D)pinnae.

Question

Quizplus · Accepted Answer

The sand grains or other dense materials resting on mechanoreceptors used by most invertebrates to sense gravity are called statoliths. Otoliths are similar structures found in the inner ear of vertebrates. Cochlea and pinnae are related to the sense of hearing, not gravity detection.

The Sand Grains or Other Dense Materials Resting on Mechanoreceptors