flatworms are members of the phylum
platyhelminthes
flatworms are
acoelomate
the class turbellaria contains
planarians
planarians have
flame cells
the class trematoda contains
flukes
flukes have
teguments
flukes can cause _____ and _____
schistosomiasis
swimmer’s itch
the class cestoda contains
tapeworms
tapeworms also have
teguments
tapworms singularly have a
scolex and proglottids
tapworms absorb nutrients directly from
the host’s digestive tract through their tegument