Phylum Cnidaria

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Across
  1. 6. does not display symmetry in their body
  2. 8. how sponges reproduce asexually
  3. 12. eye spots that detect light
  4. 13. filter feeders
  5. 15. some cnidarians live _
  6. 16. the movement of water through cells from high concentration to low concentration
  7. 18. surrounded by the endoderm, where digestion occurs
  8. 24. also known as “ostia”
  9. 25. animals that lack backbone
  10. 26. creates water current
  11. 27. coilded harpoon like structures that are produced from the Golgi Body
  12. 29. simple, have been around for long
  13. 30. body with mouth down
Down
  1. 1. coral reefs protect coastlines, create habitat for many other organisms, and increase _
  2. 2. can produce both egg and sperm
  3. 3. nematocysts are coiled harpoon like structures that contain _
  4. 4. present on the body walls of sponges
  5. 5. diffuses into the cells through diffusion
  6. 7. stinging cells
  7. 9. all cnidarians can reproduce sexually and _
  8. 10. second layer of the body wall
  9. 11. polyps can reproduce by _
  10. 14. distributes food throughout the body
  11. 17. outer tissue layer
  12. 19. sensory cells that help determine the direction of gravity
  13. 20. derives from the greek term “stinging needle”
  14. 21. Latin for “pore bearer”
  15. 22. inner tissue layer
  16. 23. body with mouth up
  17. 28. fixed in one place