Does Segmented Worms Have Backbone?

The animals commonly called worms are invertebrates. This means they do not have backbones.

Are segmented worms invertebrates or vertebrates?

Annelid, phylum name Annelida, also called segmented worm, any member of a phylum of invertebrate animals that are characterized by the possession of a body cavity (or coelom), movable bristles (or setae), and a body divided into segments by transverse rings, or annulations, from which they take their name.

What are 3 facts about segmented worms?

The segmented worms are slender, generally cylinder-shaped creatures. They have a complete digestive tract: a mouth at one end, an anus at the other. Most species are equipped with setae—short, bristlelike hairs that extend from the body wall and function in locomotion.