Fluke, Parasitic Flatworms, Anatomy & Life Cycle

Fluke, any member of the invertebrate class Trematoda (phylum Platyhelminthes), a group of parasitic flatworms that probably evolved from free-living forms millions of years ago. There are more than 10,000 species of flukes. They occur worldwide and range in size from about 5 millimetres (0.2 inch)

Fluke, Parasitic Flatworms, Anatomy & Life Cycle

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Fluke, Parasitic Flatworms, Anatomy & Life Cycle

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