Not that smart, K?
platyhelminthes
Planaria and Flatworms
Flatworm(: I love those little guys!
turbelliona (its either ona or ana) tapeworm fluke planaria
Human intestinal bacterial symbionts serve in the production of Vitamin K.
If you mean parasitic flatworms, they belong to the phylum Platyhelminthes.
Flatworms are in the Platyhelminthes Phylum
No, arthropoda and platyhelminthes are two different phyla. The latter are the flatworms, the former are characterized by segmented bodies, an exoskeleton made from chitin, and joint appendages, and include insects and crustaceans.
Marine Flatworms are in the Platyhelminthes phylum
Platyhelminthes
platyhelminthes
although most flatworms are aquatic, probably the best known flatworms are parasitic. Tapeworms (cestodes) and flukes (digeneans) are a couple of well-known flatworms.