Cnidarians

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