Platyhelminthes - Flatworms Flatworms


  1. Characteristics
    of Flatworms

    • Marine, freshwater, moist terrestrial
    • Some free-living, many parasitic
    • Bilaterally symmetrical, acoelomate
    • Incomplete gut
    • Sensory organs
    • No organ systems
    • Asexual and sexual reproduction
    • They are flat

  2. Platyhelminthes
    Reproduction

    • Monoecious (hermaphroditic)
    • Sexual- Penis Fencing
    • Asexual- Fission, budding, regeneration

  3. Phylum
    Platyhelminthes:

    • Parasite of vertebrates
    • Adapted for parasitism
    • Organs for attachment
    • Glands produce secretion for attachment
    • Often have:
    • Protective body covering
    • Complex life cycle involving 2 or more hosts
    • Examples include
    • Schistosoma (blood fluke), which has a snail intermediary
    • Tapeworms in beef or pork

Author
Siobhan
ID
120409
Card Set
Platyhelminthes - Flatworms Flatworms
Description
Platyhelminthes - Flatworms
Updated