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.
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.
Do roundworms have a digestive system?
Unlike flatworms or cnidarians, roundworms have a tube-like digestive system that has two openings. Food enters through a mouth and wastes exit the other end of the digestive system. This is an efficient system of digestion, and most complex animals have this system of digestion.
Do roundworms have a one way digestive system?
Known as roundworms, nematodes have a complete digestive tract that serves as a one-way path for food. It enters in the mouth, moves through the body, and exits out the anus on the other end.
What do roundworms feed on in the body?
They generally feed on bacteria, fungi, protozoans, or decaying organic matter. By breaking down organic matter, they play an important role in the carbon cycle. Parasitic roundworms may have plant, vertebrate, or invertebrate hosts. Several species have human hosts.
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