Torsion
A)involves movement of the shell independent of visceral movements.
B)rotates the shell between 90 and 180 degrees.
C)begins with the contraction of an asymmetrical foot retractor muscle.
D)shifts the anus from posterior to the right side of the body.
E)All of the choices are correct

Question

Quizplus · Accepted Answer

Torsion involves all of the described movements, including independent movement of the shell, rotation of the shell, contraction of an asymmetrical foot retractor muscle, and shifting of the anus from posterior to the right side of the body.