Flukes and tapeworms are also flatworms and belong to the same phylum as planarians. How do they differ from p

Question

planarians?

Answer 1

Flukes and tapeworms are parasites, but planaria aren't - they're scavengers that eat organic matter (eggs, small crustaceans, or dead organisms) in the water.  That goes along with the position of the mouth as well.

Answer 2

where their mouths are.