Most worms have two bands of muscles: longitudinal muscles that run the length of the body and circular muscles that form circular bands around the body. Unlike other worms that have two bands of muscles, nematodes only have longitudinal muscles.
Are nematodes the same as earthworms?
You may have heard that nematodes are worms, but that's not the whole story. Specifically, nematodes are unsegmented roundworms. They are not the same creatures as earthworms, segmented worms called annelids, or flat and slimy worms called flatworms.
Are roundworms and nematodes the same?
nematode, also called roundworm, any worm of the phylum Nematoda. Nematodes are among the most abundant animals on Earth.
What are the differences between flatworms and nematodes?
The flatworms are acoelomate organisms that include free-living and parasitic forms. The nematodes, or roundworms, possess a pseudocoelom and consist of both free-living and parasitic forms.
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