WebPlanarians are free-living flatworms, and have a much simpler life history. They inhabit freshwater, and are carnivores (even without teeth) or scavengers. Most are less than a centimeter long. (Click on either of the … WebAug 26, 2010 · Figure 15.16 Phylum Platyhelminthes is divided into four classes: (a) Bedford’s Flatworm (Pseudobiceros bedfordi) and the (b) planarian belong to class Turbellaria; (c) the Trematoda class includes about 20,000 species, most of which are parasitic; (d) class Cestoda includes tapeworms such as this Taenia saginata; and the …
Fluke flatworm Britannica
Webfluke, also called blood fluke or trematode, 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 … WebTerms in this set (56) What are the characteristics shared by flatworms, annelids, and mollusks. bilateral symmetry, cephalization, CNS, triploblast embryo, protosome embryo, and lophotrochozoan growth. What three characteristics are always grouped together. bilateral symmetry, cephalization, and a CNS. What is a protosome embryo. bracken road ferndown
Platyhelminthes - ScienceDirect
WebCharacteristics. All worms are bilaterally symmetrical, meaning that the two sides of their bodies are identical. ... They are placed in the phylum Platyhelminthes, which most authorities divide into three major classes—Turbellaria, Trematoda, and Cestoda. (Some divide the phylum into five classes.) Flatworms of the class Turbellaria are the ... WebThe flatworms of the phylum Platyhelminthes comprise free-living (“Turbellaria”) and obligate parasitic organisms (Monogenea, Digenea, Aspidogastrea, and Cestoda, today … Web1 7 /ةضاحه Phylum: Platyhelminthes (Flat Worms) تحطسولا ىاذيذلا تبعش General Characteristics تهاعلا ثا °يوولا سسنمممضود ى غمممٗغدل ٔومممضت عمممد سمممٌ٘نبد سمممٗدِاد سممم٘زلٌد يمممه سؽْظمممؼه سن٘مممض ى غمممٗط سب مممشد ٍعمممُ ذومممشت . brackenridge wairarapa