Flatworms belong to the phylum platyhelminthes.
Most of the flatworms are parasitic, although the turbellaria are free-living in fresh water.
Phylum platyhelminthes are mostly parasitic.
Phylum Platyhelminthes are mostly what?
A) animals
B) engorged
C) fungi
D) infected
E) parasitic
F) insects
G) huge
H) free living