Many free-living nematodes are predatory carnivores and may have teeth for feeding, . Other features of the mouth area, including spines, jaws, and other .
Do roundworms have jaws?
Here's another quirk: although their bodies are bilaterally symmetrical, like that of a human, nematode heads are radially symmetrical, like a starfish. Roundworms may have either three or six jaws, often lined with teeth.
Does a roundworm have a mouth?
Features of Roundworms Unlike the flatworms, the roundworms have a body cavity with internal organs. A roundworm has a complete digestive system, which includes both a mouth and an anus.
How do roundworms eat?
Diet/Feeding Nematodes feed on organic matter, both dead and alive such as small animals including other worms, or on diatoms, algae, fungi and bacteria. Some eat plants by piercing the stem or root and sucking out the contents.
Where is the mouth of a roundworm located?
Roundworms have tube digestive systems, meaning ingested food travels a single route. It enters through the mouth, is ground down in the pharynx, is digested in the gut, and is eliminated from the anus. The mouth is on one end of the body and the anus is on the opposite end.
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