An earthworm is a kind of terrestrial invertebrate in the phylum Annelida. They have a tube-like body plan, are outwardly partitioned with internal divisions, and have setae on all segments. Earthworms are typically found in soil, where they consume a wide range of organic substances. An earthworm's body is made up of a digestive tube enclosed within a thick cylindrical muscular tube. The body is separated into segments, and furrows on the body's surface define the separation between each segment. This model will assist students in comprehending the right arrangement.
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