sentence: Annelids are made of one or more body segments.
sentences_after: Each segment has one or more rings. Annelids reproduce sexually by hermaphroditic cross-fertilization. They can regenerate cut off pieces of their body. Unlike sponges, which can come back together if ripped apart. They have a hydrostatic skeleton, a one-way digestion system, and bilateral symmetry.
concept_name: annelid
headings: Annelid