All worms have some things in common. All of them are invertebrates. They all have long, narrow bodies without legs.

Do worms have legs?

A worm has no arms, legs or eyes. There are approximately 2,700 different kinds of earthworms. Worms live where there is food, moisture, oxygen and a favorable temperature.

What is the body of a roundworm like?

Roundworms (nematodes) are bilaterally symmetrical, worm-like organisms that are surrounded by a strong, flexible noncellular layer called a cuticle. Their body plan is simple. The cuticle is secreted by and covers a layer of epidermal cells. ... Nematodes do not have flame cells.