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CHAPTER 33 INVERTEBRATES

CHAPTER 33 INVERTEBRATES. Porifera Sponges. Porifera Sponges. Porifera Sponges-osculum, choanocytes-limits size of food particles , must fit into the collar; extra cellular and intracellular digestion amoebocytes, hermaphrodites, reaggregation, spongocoels. Porifera Sponges. Porifera Sponges.

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CHAPTER 33 INVERTEBRATES

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  1. CHAPTER 33 INVERTEBRATES

  2. Porifera Sponges

  3. Porifera Sponges

  4. Porifera Sponges-osculum, choanocytes-limits size of food particles , must fit into the collar; extra cellular and intracellular digestion amoebocytes, hermaphrodites, reaggregation, spongocoels

  5. Porifera Sponges

  6. Porifera Sponges

  7. Venus Flower Basket Sponge

  8. Porifera Sponges

  9. Porifera Sponges Spicules-skeletal components of sponges composed of calcium carbonate, silica, or a protein called spongin

  10. Porifera Sponges

  11. Cnidarians-hydra and jellyfish

  12. Cnidarians-hydra and jellyfish

  13. Cnidarians-hydra and jellyfishnerve net nonpolarized Polyp Medusa

  14. Cnidarians-hydra and jellyfish cnidocytes with nematocysts

  15. Nematocyst

  16. Cnidarians-colonial hydra Hydrozoansectoderm, endoderm, radial symmetry, polyps, medusa, cnidocytes with nematocysts

  17. Cnidarians-jellyfish Scyphozoans

  18. Cnidarians-jellyfish

  19. Cnidarians-sea anemone Anthozoans

  20. Cnidarians-sea anemone Anthozoans

  21. Cnidarians-sea anemone Anthozoans

  22. Cnidarians-Coral Anthozoans

  23. Cnidarians-corals Anthozoans

  24. Cnidarians-coral Hydorzoan

  25. Cnidarians-Scyphozoansjellyfish

  26. Cnidarians-hydra Colonial hydroid

  27. Cnidarians- sea anemone Anthozoans

  28. Cnidarians-Hydrozoan- Portuguese Man-of-War

  29. Cnidarians-Hydrozoans-Portuguese Man-of-War

  30. Cnidarians-Hydrozoan-Portuguese Man-of-War

  31. Ctenophora-comb jellies-long tentacles, combs are rows of fused cilia, some are bioluminescent colloblasts-cells containing vacuoles with a sticky thread-like protein that burst open and captures food particles

  32. Ctenophora-comb jellies

  33. Ctenophora-comb jellies

  34. Ctenophora-comb jellies

  35. Ctenophora-comb jellies

  36. Ctenophora-comb jelliesFused cilia

  37. Ctenophora-comb jellies

  38. Protostomia Acoelomates Platehelminthes Pseudocoelomates Rotifers Nematoda-ecdysozoa Coelomates Lophophorates Nemertea Mollusca Annelida Arthropoda-ecdysozoa Deuterostomia Coelomates Echinodermata

  39. Platyhelminthes-flatworms

  40. Platyhelminthes-flatworms incomplete digestive system, flame cells water balance only, cephalization, nerves, internal fertilization

  41. Platyhelminthes-flatworms

  42. Life Cycle of a Blood Fluketriploblastic with mesoderm, acoelomic, incomplete digestive system, flame cells water balance only, cephalization, nerves,

  43. Platyhelminthes-flatworms-fluke

  44. Platyhelminthes-flatworms- tapeworm-Cestoidia

  45. Platyhelminthes-flatworms- tapeworm

  46. Platyhelminthes-flatworms- tapeworm

  47. Platyhelminthes-flatworms- tapeworm

  48. Rotifers-have a pseudocoelom reproduce by parthenogenesis, crown of cilia for food capture pull food into mouth which has jaws, first complete digestive tract

  49. Rotifers

  50. Rotifers

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