cylinderical
Roundworms have a cylindrical body shape with a distinct head and tail. They have a digestive system that runs through the length of their body and a nervous system with a simple brain. Their bodies are covered by a cuticle that helps protect them.
Jellyfish are bell shaped and roundworms aren't. Jellyfish sting and roundworms do not. jellyfish are radial and and roundworms are not.
they are round
They get into your body through raw food.
Roundworms have long, cylindrical bodies that taper at both ends. They have a complete digestive system with a mouth and an anus, and their bodies are covered in a protective cuticle. Roundworms also have a fluid-filled body cavity called a pseudocoelom.
roundworms have 2 body opening. The mouth and the anus
No, insects and roundworms do not have calcium carbonate shells. Insects have exoskeletons made of chitin, a tough, flexible protein. Roundworms lack a hard outer covering and have a smooth, cylindrical body shape.
roundworms
Bilateral symmetry.
roundworms
Roundworms have a simple circulatory system with a dorsal blood vessel that runs the length of the body and pumps nutrients and oxygen to the tissues. The blood is not contained within vessels but rather flows freely in the body cavity. Gas exchange occurs through diffusion across the body wall.
Because they are parts of phylam Annelida as I have read