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Annelids

Annelids are commonly described as segmented worms and possess a distinct coelom like mollusks.

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Vocabulary

Annelida

Invertebrate phylum of segmented worms, such as earthworms.

deposit feeder

Animal that obtains organic matter for nutrition by eating soil or the sediments at the bottom of a body of water.

earthworm

Common name for the largest members of Oligochaeta, in the phylum Annelida; basic body plan can be described as a tube, the digestive system, within a tube, the muscular slimy, moist outer body.

leeches

Segmented worms that belong to the phylum Annelida; have two suckers; are predominantly blood suckers that feed on blood from vertebrate and invertebrate animals.

polychaetes

Segmented worms; are often brightly colored, and may be iridescent or even luminescent; have pairs of paddle-like parapodia (appendages) on each segment, and bundles of setae that project from the parapodia.

proboscis

A tubular organ for feeding.

regeneration

Regrowing of tissues, organs, or limbs that have been lost or damaged.

segmentation

Division of an animal body into multiple segments.

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