What Allows an Earthworm to Move Through Soil

question 14

Multiple Choice

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

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