Circular muscles = allow for contraction and extension
Longitudinal muscles = allow for lateral movement
How did the earthworm's mode of locomotion compare to the nematode's mode of locomotion?
A. The earthworm and the nematode both contracted and extended, but only the nematode moved side to side.
B. The earthworm contracted and extended, whereas the nematode moved side to side.
C. The earthworm moved side to side, whereas the nematode contracted and extended.
D. The earthworm and the nematode both contracted and extended and moved side to side
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