Porifera Choice Board

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Across
  1. 1. Simplest multicellular animal
  2. 5. Name of flexible protein fibers
  3. 6. Sponges have three main
  4. 7. Small, tube-shaped body form
  5. 11. Glass sponges
  6. 13. Large, thick body wall form
  7. 15. Ability to repair injuries
  8. 20. They’re members of
  9. 21. Sponge symmetry is
  10. 23. Most complex / common body form
  11. 25. Gets food by
Down
  1. 2. Sponges are
  2. 3. Approximately _ known species
  3. 4. Name of hollow center
  4. 8. Calcareous sponges
  5. 9. Spicules are not six rayed
  6. 10. Jelly-like extracellular matrix
  7. 12. Archaeocytes are also called
  8. 14. Name of numerous pores
  9. 16. Able to reproduce sexually &
  10. 17. Collar cells have
  11. 18. Thin, flat skin like cells
  12. 19. Most species are
  13. 22. Name of collar cells
  14. 24. Number of sponges classes