Annelids eat with a mouth that is located on the underside of the head. The mouth connects to an unsegmented gut that runs the length of the worm. The gut terminates at the anus, located at in the pygidium area at the en... More »

The diet of an annelid varies depending on the type of worm. Many earthworms and freshwater worms, also known as oligochaetes, consume organic matter in soil. Some aquatic oligochaetes feed on small invertebrates. More »

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Most segmented worms, or annelids, eat decaying plant matter. The exceptions are leeches, freshwater animals that feed on blood and small invertebrates, and some carnivorous marine species. More »

Annelids live all over the world in all types of ecosystems, preferring to burrow in soil, sand or sediment both on land and in the ocean. An estimated 17,000 species of annelids are known to exist worldwide. More »

Annelids are any of the roughly 9,000 segmented worms that make up the Phylum Annelida. Only a few species are known to the average person. These include dew, rain and earthworms commonly found in the soil, lugworms used... More »

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Annelids, or segmented worms, are important because some of them aerate and enrich soil, which keeps it fertile. Medicinal leeches are annelids that are used in healing. More »

Sea mice, rag worms, bloodworms, palolo worms and lugworms are types of annelids in the Polychaeta class. Other annelids include earthworms, class Oligochaeta, and leeches, class Hirudinea. Annelids are named for their s... More »

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