Porifera

Card Set Information

Author:
Anonymous
ID:
95382
Filename:
Porifera
Updated:
2011-07-27 04:55:46
Tags:
sponge
Folders:

Description:
Porifera
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  1. Porifera Environment
    marine environment
  2. Porifera details
    • multicelluar
    • lack true tissue
    • suspension feeder
  3. Choanocytes
    • cells in Porifera that have flagella that move water
    • flagella beat and create current of water
    • filters water -> food particles ingested by phagocytosis
  4. Amoebocytes
    • named for mode of locomotion
    • help distribute food throughout sponge
    • produce skeletal fibers (elastic or hardened)
    • determine if sponge is soft or hard
  5. Porifera Filter Feeding
    Water -> Small pores in body wall -> Central cavity -> Exits out

    water pulled in/ filtered by choanocytes

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