Ebook: Interrelationships of the Platyhelminthes

The phylum Platyhelminthes is comprised of some 50,000 species of flatworms living in a wide variety of habitats - from the deep sea to the damp soil of tropical forests- where they occupy pivotal roles in many ecosystems. The parasitic forms include tapeworms and flukes, which plague virtually every species of vertebrates and impose major medical,