1. Chapter 28 - Protists

2. Important vocabulary pitfall

3. Chapter 28 - Protists Important vocabulary pitfall protist ≠ prokaryote

4. Chapter 28 - Protists Important vocabulary pitfall protist ≠ prokaryote A prokaryote is a simple cell, like a bacterium, with no nucleus

5. Chapter 28 - Protists Important vocabulary pitfall protist ≠ prokaryote A prokaryote is a simple cell, like a bacterium, with no nucleus Protists are eukaryotes.

6. Chapter 28 - Protists Protists are… Very diverse Not a single kingdom Paraphyletic

7. Chapter 28 - Protists Protists are… Very diverse Not a single kingdom Paraphyletic DEGHJK C F I B A

8. Chapter 28 - Protists Protists are… Very diverse Not a single kingdom Paraphyletic DEGHJK C F I B A Monophyletic: One ancestor and all its descendents.

9. Chapter 28 - Protists Protists are… Very diverse Not a single kingdom Paraphyletic DEGHJK C F I B A Polyphyletic: Descended from different ancestors.

10. Chapter 28 - Protists Protists are… Very diverse Not a single kingdom Paraphyletic DEGHJK C F I B A Paraphyletic: An ancestor and some, but not all, of its descendents.

11. Chapter 28 - Protists Protists are… Very diverse Not a single kingdom Paraphyletic Unicellular, colonial, or multicellular Photoautotrophs, heterotrophs, or mixotrophs Mostly aquatic, but some not Sexually or asexually reproducing.

12. Chapter 28 - Protists Endosymbiosis: Mitochondria and plastids (including chloroplasts) developed when eukaryotic cells ingested bacteria.

13. Chapter 28 - Protists Kinds of protists: Diplomonads Flagella Two nucleii Very simple mitochondria.

14. Chapter 28 - Protists Kinds of protists: Diplomonads Giardia intestinalis

15. Chapter 28 - Protists Kinds of protists: Parabasalids Flagella Undulating plasma membrane.

16. Chapter 28 - Protists Kinds of protists: Parabasalids Trichomonas vaginalis

17. Chapter 28 - Protists Kinds of protists: Euglenazoans Flagella with unique crystalline rods Autotrophic, but can switch to heterotrophic when there is no light.

18. Chapter 28 - Protists Kinds of protists: Euglenazoans Tripanosoma (sleeping sickness)

19. Chapter 28 - Protists Kinds of protists: Dinoflagelates Alveoli (sacs beneath the plasma membrane) Flagella

20. Chapter 28 - Protists Kinds of protists: Dinoflagelates

21. Chapter 28 - Protists Kinds of protists: Dinoflagelates bioluminescence

22. Chapter 28 - Protists Kinds of protists: Dinoflagelates red tide

23. Chapter 28 - Protists Kinds of protists: Apicomplexans Parasites Apex of the cell has a complex of organelles specialized to penetrate host cells and tissues.

24. Chapter 28 - Protists Kinds of protists: Apicomplexans plasmodium (malaria)

25. Chapter 28 - Protists Kinds of protists: Ciliates Have cilia Reproduce sexually or asexually

26. Chapter 28 - Protists Kinds of protists: Ciliates paramecium

27. Chapter 28 - Protists Kinds of protists: Stramenopiles Water molds Diatoms Golden algae Brown algae

28. Chapter 28 - Protists Kinds of protists: Water molds

29. Chapter 28 - Protists Kinds of protists: Diatoms

30. Chapter 28 - Protists Kinds of protists: Golden algae

31. Chapter 28 - Protists Kinds of protists: Brown algae

32. Chapter 28 - Protists Kinds of protists: Foraminiferans and radiolarians Hard shells called “tests” Abundant in fossil record

33. Chapter 28 - Protists Kinds of protists: Foraminiferans and radiolarians

34. Chapter 28 - Protists Kinds of protists: Amoebozoans Lobe-shaped pseudopods Gymnamoebas, entamoebas, and slime molds

35. Chapter 28 - Protists Kinds of protists: Amoebozoans Gymnamoeba (free-living heterotroph)

36. Chapter 28 - Protists Kinds of protists: Amoebozoans Entamoeba (amoebic dysentery)

37. Chapter 28 - Protists Kinds of protists: Amoebozoans slime mold

38. Chapter 28 - Protists

39. Kinds of protists: Red algae One kind of seaweed

40. Chapter 28 - Protists Kinds of protists: Red algae One kind of seaweed

41. Chapter 28 - Protists Kinds of protists: Green algae Ancestor to land plants Complex life cycles Unicellular and multicellular

42. Chapter 28 - Protists Kinds of protists: Green algae Volvox (colonial)

43. Chapter 28 - Protists Kinds of protists: Green algae Caulerpa (one huge “supercell”)

44. Chapter 28 - Protists Kinds of protists: Green algae Ulva (multicellular)

45. Chapter 28 - Protists The most important things from this chapter: Disease-causing organisms Life cycle of the slime mold Endosymbiosis Green algae (ancestor to multicellular land plants)

46. Chapter 28 - Protists The most important things from this chapter: Disease-causing organisms Giardia (a diplomonad) Trichomonas (a parabasalid) Sleeping sickness (a kineplastid) Red tide (dinoflagellates) Malaria (an apicomplexan)

47. Chapter 28 - Protists The most important things from this chapter: Life cycle of the slime mold

48. Chapter 28 - Protists The most important things from this chapter: Life cycle of the slime mold spore amoeba aggregate fruiting body syngamy zygote diploid haploid

49. Chapter 28 - Protists The most important things from this chapter: Endosymbiosis

50. Chapter 28 - Protists The most important things from this chapter: Endosymbiosis early heterotrophic eukaryote cyanobacterium

51. Chapter 28 - Protists The most important things from this chapter: Endosymbiosis primary endosymbiosis

52. Chapter 28 - Protists The most important things from this chapter: Endosymbiosis

53. Chapter 28 - Protists The most important things from this chapter: Endosymbiosis red algae green algae

54. Chapter 28 - Protists The most important things from this chapter: Endosymbiosis green algae

55. Chapter 28 - Protists The most important things from this chapter: Endosymbiosis

56. Chapter 28 - Protists The most important things from this chapter: Endosymbiosis secondary endosymbiosis

57. Chapter 28 - Protists The most important things from this chapter: Endosymbiosis secondary endosymbiosis

58. Chapter 28 - Protists The most important things from this chapter: Endosymbiosis

59. Chapter 28 - Protists The most important things from this chapter: Endosymbiosis cloroplast

60. Chapter 28 - Protists The most important things from this chapter: Green algae (ancestor to multicellular land plants)

61. Chapter 28 - Protists The most important things from this chapter: Green algae (ancestor to multicellular land plants) volvoxulva.