Cnidarians

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Across
  1. 4. Slender, finger-like extensions used to help capture food.
  2. 6. A tube-like cell in sponges forming pores.
  3. 10. Small pores that allows water to enter the sponge.
  4. 11. Tentacle up stage.
  5. 12. Stinging cells; also known as cnidae.
  6. 14. Anthozoans made mainly of proteins.
  7. 15. Digestion on the inside.
  8. 17. Class that contains Jellyfish.
  9. 18. Specialized cells in the tentacles that house the nematocysts.
  10. 19. Class containing colonies of polyps.
  11. 20. Digestion on the outside.
  12. 22. Inner cell layer.
  13. 26. Flat cells that cover the surface of sponges.
  14. 28. Wandering cells that can specialize in different tasks
  15. 29. Eat meat.
  16. 33. Gas filled chambers that give medusae a sense of balance.
Down
  1. 1. Provides additional area to help digest larger prey.
  2. 2. Net A network of nerves.
  3. 3. Specialized larva.
  4. 5. Outer cell layer.
  5. 7. The surface of the Cnidarian containing the mouth.
  6. 8. Hydrozoans that form drifting polyps.
  7. 9. Tentacle down stage.
  8. 13. Another name for Cnidarians
  9. 16. Class of the box jelly.
  10. 21. The surface of the Cnidarian opposite the mouth.
  11. 23. Gelatinous middle layer.
  12. 24. Structural support in sponges.
  13. 25. Class that lacks a medusa stage.
  14. 27. Cells that help sponges capture their food; also known as collar cells.
  15. 30. A large opening in a sponge allowing water to leave.
  16. 31. Anemone A common, colorful Anthozoa.
  17. 32. Small particles of organic matter that provide nutrition to organisms.
  18. 34. Groups of mostly colonial anthozoans.