Cnidarians

Cards (12)

  • Cnidarian attributes
    • soft bodies
    • radial symmetry
    • 2 germ layers
    • locomotion: ripple in water
  • cnidarians
    • jellyfish
    • sea anemone
    • corals
  • jellyfish
    • free swimmers
    • tentacles that sting and capture prey
    • polyp and medusa stage
    • locomotion: pulsating their bell
  • sea anemone
    • sessile
    • hydrostatic skeleton
    • they can sting
    • only polyp form
  • corals
    • sessile
    • soft animals with stone-like coating
    • polyp form
    • exoskeleton
  • cndarians have no true brain
  • nerve net is a network of nerves that connects the brain to the rest of the body
  • excretion and respiration is on cellular level
  • cnidocytes are stinging cells of cnidarians
  • polyp form
    cup shaped with a mouth and tentacles on one end and a basal disc on the other
  • basal disc

    stick disc used for attaching
  • medusa form

    umbrella shaped, free swimmers