parasites
digestive system
they live on their host's
It's something
Toxocara canis and cati, Ascaris lumbricoides, Baylisascarisprocyonis
Roundworms
The common name for phylum Nematoda is roundworms.
Roundworms and flatworms do not have backbones. All worms are invertebrates.
The wriggling movement of roundworms is a result of the fact that they do not have circular muscles, however, they do have lengthwise muscles. Roundworms are also known as nematodes.
beetles
Roundworms belong to the phylum Nematoda. They are classified based on their morphology, anatomy, and genetics. They are further categorized into different families, genera, and species based on specific characteristics and evolutionary relationships.
Yes, tapeworms are common parasitic flatworms
roundworms: Ascaris lumbricoides
Roundworms are classified as invertebrates because they lack a backbone or spinal column, which are defining characteristics of vertebrates. Instead, roundworms have a simple, unsegmented body structure with a tough outer cuticle for protection.
Planarians are a common type of flatworm that are not parasites. They are often found in freshwater environments and are known for their regenerative abilities. Planarians are carnivorous and feed on small organisms like insects and other invertebrates.