Yes, flatworms themselves are parasitic. Their eggs, however, can exist for long periods outside any host.
Yes, planarians are non-parasitic flatworms
Planarians are neither parasitic or segmented. They are flatworms.
Flukes
Flatworms are divided into two groups, parasitic and nonparasitic. The parasitic types, which live off of other organisms, consist of Cestoda, Trematoda, and Monogenea flatworms.
If you mean parasitic flatworms, they belong to the phylum Platyhelminthes.
Yes. There are several species of parasitic flatworms.
An amphilinid is any member of the Amphilinidea, an order of parasitic flatworms.
they are consumer or predators and they are parasitic like tapeworms and flukes
Yes, tapeworms are common parasitic flatworms
Parasitic flatworms have a modified epidermis called a tegument, which protects against the digestive enzymes and immune response of their host. The tegument is folded to increase surface area and to make absorption of nutrients more efficient.
They belong in the Phylum Platyhelminthes (free living and parasitic flatworms)of the KingdomAnimalia. Within that phylum, they're classified in the parasitic Class Cestoda.
Planarians are free-living flatworms, flukes are parasitic flatworms that infect various host animals, and leeches are blood-feeding segmented worms.