they are flat
Nematodes have a pseudocoelom (a body cavity that is not completely lined by mesoderm), whereas flatworms have an acoelomate body plan (lack a body cavity). This means that nematodes have a body cavity, while flatworms do not have a true body cavity.
flatworms are the only triploblastic organisms that lack a coelom
Flatworms
No, a flatworm does not have a body coelom.
diarrhea itching
Flatworms, such as tapeworms and planarians, are examples of acoelomate animals. These animals lack a true body cavity called a coelom and have a solid body structure instead.
Bilateral symmetry.
flatworms live in lakes and rivers. they also dont have a resptory or a circulatory system. they eliminate wastes through the body walls using diffusion.
Flatworms lack a circulatory system and a respiratory system. Instead of these systems, they rely on diffusion for the transport of nutrients and gases directly through their body tissues. Additionally, flatworms do not possess a complete digestive system; many have a gastrovascular cavity with a single opening serving both as a mouth and an anus.
body description of a maltese
Acoelomate animals, like flatworms
Flame cells.. yw