Porifera

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Across
  1. 3. is a lash-like appendage that protrudes from the cells body of certain prokaryotic cells.
  2. 9. are flat found on the outermost layer of a sponge.
  3. 11. are amoeba-like calls that move slowly through the mesophyl and secret collagen fibers.
  4. 12. characterizing a body shape like a pie or barrel, with equal parts.
  5. 15. propagation in w/c outgrowths from the parent form and pinch off to live independently.
  6. 17. breaking of body into several pieces, some or all of w/c develop into complete adult.
  7. 21. regrowth of lost body parts.
  8. 28. sheet of extra cellular matrix where epithelial cells rests.
  9. 30. conduct signals and cause parts of the animals to react.
  10. 32. are the largest class in Phylum Porifera.
  11. 36. a common substance found in rocks in all parts of the world.
  12. 39. group of unicellular or multicellular organisms that live together in a close association.
  13. 42. is a cell ability to differentiate into other cell types.
  14. 46. produces spongin protein.
  15. 47. seed-like particles produced by sponge.
  16. 48. channels leading to the interior through the mesohyl.
  17. 49. where carbon dioxide and other soluble waste products such as ammonia also diffuse.
  18. 50. are specialized cells that secrete the mineralized structures in the body wall of some invertebrates.
  19. 52. closable inlet valves w/c controls ostia in most sponges.
  20. 53. chemical signals released by one organism that influence the behavior of other individuals of the same species.
  21. 55. head end.
  22. 56. made up of two cell layers, they have no tissues, organs, or organelles.
  23. 58. carbonate mineral and the most stable polymorph.
  24. 59. a motor protein in cells w/c converts the chemical energy contained in ATP into chemical energy of movement.
  25. 60. is a small organelle w/in a cell, consisting of fluid enclosed by a lipid bi-layer membrane.
  26. 62. the gelatinopus matrix w/in a sponge.
  27. 63. large opening at the top of the sponge
Down
  1. 1. numerous short projections that beat in an oar-like portion. For movement.
  2. 2. lining the interior of sponges.
  3. 4. surgical procedure to move tissue from one site to another on the body.
  4. 5. tail end.
  5. 6. the saltiness or dissolved salt content of the body of water.
  6. 7. biological membrane that separates the interior of all cells from the outside environment.
  7. 8. calls secrete Polysaccharides that also form part of the mesophyl.
  8. 10. part of a egg, that feeds the developing embryo in animals.
  9. 13. a method in w/c organisms feed by filtering small particles of food from water.
  10. 14. are a large group of flagellates into other cell types.
  11. 16. can be divided down it's length into similar right and left halves.
  12. 18. closed sac, having a distinct membrane and division campared to the nearby tissue.
  13. 19. a type of reproduction involving only one parent that produces genetically identical offspring.
  14. 20. is a modified type of collagen protein, form the fibrous skeleton of most organisms among phylum Porifera.
  15. 22. is an internal, and biological unit of all known living organisms.
  16. 23. an animal that can produce both sperms and eggs
  17. 24. the toxin used by venomous animals.
  18. 25. central cavity of sponge.
  19. 26. takes up food from the water and from choanocytes, digests it, and carry nutrients to other cells.
  20. 27. genus of single-celled amoeboid protists in the family Amoebidae.
  21. 29. surrounds sponges' pores
  22. 31. is one of the four basic types of animal tissues, along with connective tissues , muscle tissue and nervous tissue.
  23. 33. plate-like cells, forms a single layered external skin.
  24. 34. process in w/c the egg develops w/o being fertilized.
  25. 35. a hollow blastula where embryo develops in calcareous sponge.
  26. 37. an extinct family of animal common in sediments form from the early Cambian to late Cambian.
  27. 38. an evolutionary trend toward the concentration of sensory equipment on the anterior end.
  28. 40. forms the hard support system of sponge
  29. 41. a multi nucleated calls that can result from multiple calls fusion of unicellular cells.
  30. 42. are another type of collagen-producing cell.
  31. 43. animals with pores that allow water to flow through their bodies
  32. 44. internal buds found in sponges and are involved in asexual reproduction.
  33. 45. lower surface.
  34. 50. arrangements of body structures.
  35. 51. the inside lining of spongocoelor internal chambers.
  36. 54. gelatinous region consist of two cell layers.
  37. 57. they do not move from place to place.
  38. 61. a type of reproduction in w/c 2 parents give rise to off springs that have unique combination.