Phylum Platyhelminthes

Platyhelminthes, or flatworms, are a phylum of simple, unsegmented, bilaterally symmetrical worms. They have a flattened body, lack a body cavity (acoelomates), and include free-living species like planarians and parasitic species like tapeworms and flukes. General characters of Phylum Platyhelminthes: 1) Habitat: Most of species are parasitic (Ecto-Endo parasite), few are free living (aquatic/terrestrial). 2) Shape: Body is ‘dorso-ventrally … Read more