What allows an earthworm to move through soil?
A) Antagonistic pairs of muscles that pull in opposition to one another using elements of an endoskeleton
B) Alternating contractions of circular and longitudinal muscles that push against elements of an endoskeleton
C) Contracting muscles attached to apodemes of an exoskeleton
D) Contractions of muscles that increase pressure on body fluids to extend the body forward
E) Shifting of body fluids from one compartment to another

Question

Quizplus · Accepted Answer

Earthworms move through soil by contracting their muscles, which increases pressure on their body fluids, allowing them to extend their bodies forward. This is a form of hydrostatic skeleton movement.

What Allows an Earthworm to Move Through Soil