Chapter 50.2 (SKIP)

Question 1

Statocysts

Answer 1

Most invertebrates maintain equilibrium using mechanoreceptors located in organs called statocysts

Question 2

Statoliths

Answer 2

Statocysts contain mechanoreceptors that detect the movement of granules called statoliths

Question 3

Hearing:

Hair Cells

Answer 3

Pressure waves in the canal cause the basilar membrane to vibrate, bending its hair cells

Question 4

Round Window

Answer 4

The fluid waves dissipate when they strike the round window at the end of the tympanic canal

Question 5

Utricule & Saccule

Answer 5

The utricle and saccule contain granules called otoliths that allow us to perceive position relative to gravity or linear movement

Question 6

Lateral Line System

Answer 6

Most fishes and aquatic amphibians also have a lateral line system along both sides of their body