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Porifera

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  • What kingdom are sponges in?
    Animalia
  • Are sponges symmetrical or asymmetrical?
    Asymmetrical
  • Collar cells trap plankton from water that the sponge uses for nutrients.
    True
  • What is the osculum?
    Hole at the top
  • What is the hollow, inside body cavity of a sponge called?
    Spongocoel
  • Most porifera are marine.
    True
  • What do collar cells have that spin to pull in water & food?
    Flagella
  • What does porifera mean?
    Pore bearing
  • How does porifera get nutrients?
    Filter feeding
  • What phylum are sponges in?
    Porifera
  • What is the Jelly-like material between cell layers called?
    Mesenchyme
  • Describe the colors of marine sponges.
    Bright
  • What did early biologists think sponges were?
    Plants
  • Why are sponges now classified as animals?
    Heterotrophic and lack cell walls
  • Gemmules are released when a sponge dies.
    True
  • Describe the water flow in porifera.
    In through the pores and out the osculum
  • Porifera contains specialized tissue.
    False
  • Describe the size of porifera.
    2m-2cm
  • Define sessile.
    Stuck to something
  • Sponges can regenerate lost body parts.
    True
  • Describe the colors of freshwater sponges.
    Dull
  • Porifera are the most complex of all animals.
    False
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