Because they don't have a backbone (aka vertebrae)
What type of roundworms do you mean? roundworms in general and kind
A horseshoe crab is an invertebrate. It lacks a backbone or spine, which are characteristic features of vertebrates.
No, not all roundworms are parasitic. While some roundworms are parasitic and can cause infections in animals and humans, there are also free-living roundworm species that live in various environments such as soil, freshwater, and marine habitats.
Roundworms can help control insects and pests in the environment. Some roundworms are used in scientific research to study basic biological processes. Certain species of roundworms are used in the field of medicine for research on diseases and potential treatments.
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 (scientific name: Nematoda) are invertebrates, as they do not have a spine.
yes, hookworms are invertebrates since it undergoes roundworms, and roundworms are invertebrates!
Roundworms (scientific name: Nematoda) are invertebrates, as they do not have a spine.
Roundworms and flatworms do not have backbones. All worms are invertebrates.
Leeches belong to the phylum Annelida (ringworms), like the common earthworm! They are very similar, they have the same bodyplan, rings and bristles.
Roundworms
Roundworms belong to the phylum Nematoda.
Roundworms can harm dogs ect;
No, roundworms have bilateral symmetry.
Roundworms rule the domain of the Phylum'Nematoda'.
Jellyfish are bell shaped and roundworms aren't. Jellyfish sting and roundworms do not. jellyfish are radial and and roundworms are not.
Yes roundworms have nervous systems!