Movement in earthworms involves all the following EXCEPT
A)a hydrostatic skeleton.
B)fluid-filled coelomic chambers.
C)rigid skeletal elements.
D)segments changing shape
E)hydraulic pressure.

Question

Quizplus · Accepted Answer

Movement in earthworms does not involve rigid skeletal elements, as they have a hydrostatic skeleton consisting of fluid-filled coelomic chambers, which are controlled by hydraulic pressure and segments changing shape.

Movement in Earthworms Involves All the Following EXCEPT