Porifera Practice

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Across
  1. 4. excurrent pore of sponges
  2. 5. collar cells that move water with flagella
  3. 9. hard skeleton fibers in sponges
  4. 11. cells that travel distributing food and oxygen
  5. 12. flat surface cells
  6. 13. group of amebocytes with a hard resistant covering for asexual reproduction
Down
  1. 1. inner layer of sponges
  2. 2. no mirror images
  3. 3. cells around the pores
  4. 6. incurrent pores of sponges
  5. 7. attached to some surface
  6. 8. obtain food by straining water
  7. 9. soft protein fibers that give structure
  8. 10. non-living jelly like substance between 2 layers of cells