Phylum Porifera

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Across
  1. 1. this allows a collar cell to create a current
  2. 3. class of sponge in which the spicules have 3 or 4 rays
  3. 5. animals that are attached to a surface
  4. 6. another name for amoebocytes
  5. 7. soft protein fibers that make up the skeleton of some sponges
  6. 8. most complex and common type of body form
  7. 11. motile stage of a sponge life cycle
  8. 12. needle-like structure that make up the skeleton of a sponge
  9. 15. the ability to repair injuries and restore body parts
  10. 17. refers to having only one cell layer
  11. 18. thin skin-like cell on a sponge
  12. 19. the process where sponges engulf and eat food
  13. 22. jellylike extracellular matrix of a sponge
  14. 24. the pores on a sponge
Down
  1. 2. cells which wonder through the mesohyl carrying nutrients
  2. 4. cells which create a current a current to circulate water through the sponge body
  3. 9. exit opening at the top of a sponge
  4. 10. how sponges acquire their food
  5. 12. hollow center of a sponge
  6. 13. sponge body form in which the choanocytes lie in canals
  7. 14. newly discovered carnivorous sponge
  8. 16. the simplest sponge body form
  9. 20. spicules in Class Hexactinellida have this many rays
  10. 21. sponges have this type of symmetry
  11. 23. the simples animal