1. Simple Animal Phyla
  2. Wormlike Animal Phyla
  3. Porifera (The Sponges)
  4. Cnidaria (Bi-layered )
  5. 3 Cell Types
  6. Collar cells
  7. Epithelial Cells
  8. Amoeboid Cell
  9. Water Flow through Sponge
  10. Floating Topic