sponges

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Across
  1. 4. they're members of the phylum porifera meaning
  2. 5. sponges are and vary in size from a few millimeters
  3. 10. sponges have a single body layer called
  4. 11. sponges have an abundant record
  5. 16. most sponges are abundant in all seas at all
  6. 18. sponges have the ability to restore lost parts in a process called
  7. 19. a sponge body forms around a hollow center called the
  8. 21. sponges are brightly colored because of
  9. 22. water filters in through pores then transfers through the body then out the opening at the top of the spongocoel called
  10. 25. sponges bring in water through these pores in a process called
Down
  1. 1. there are calcareous sponges with spicules of
  2. 2. there are three main designs for the sponge body differing in the placement of
  3. 3. many sponges can produce chemical as a defense
  4. 6. microscopic needlelike structures
  5. 7. the sponge body is a collection of cells embedded in a jellylike extracellular matrix called
  6. 8. choanocytes are also known as what cells
  7. 9. small organisms are trapped and eaten through a process known as
  8. 12. sponges treat diseases and
  9. 13. the body is permeated by numerous pores called
  10. 14. sponges are also used by
  11. 15. internal buds or gemmules are formed by
  12. 17. cell layers are supported by a skeleton made up of flexible protein fibers called
  13. 20. sponges spend their entire adult life anchored to a surface underwater making them
  14. 23. all species are
  15. 24. after reaching a certain size,external buds may detach from the parent and float away to form new sponges