Chapter 13.1-13.3: Bacteria, Archaea and Protists

  1. You will not be tested on viruses.
  2. Bacteria and Archaea are prokaryotic. What does that mean?
  3. Be able to draw (and interpret) the phylogenetic tree of the three domains of life: Bacteria, Archaea, and Eukarya.
  4. Bacteria are ancient, diverse, abundant, and ubiquitous. What do each of these terms mean?
  5. The oldest fossils we have are from which domain of life?
  6. How many species of bacteria have been named? How many are likely?
  7. How deep in the ocean have prokaryotes been found?
  8. What temperature range can prokaryotes live?
  9. Who is credited with the Germ theory of disease?
  10. What are Koch’s postulates and what are they used for?
  11. What caused the tremendous decline in mortality rates after 1900?
  12. What is virulence and why is it important to humans?
  13. When were antibiotics discovered? What has been the effects of their overuse?
  14. What is meant by the word “extremophile”?
  15. Describe how bacterial species are described?
  16. What is an enrichment culture used for? What is its purpose?
  17. How are bacterial species found using direct sequencing?
  18. Who discovered Archaea?
  19. How did Carl Woese redraw the “tree of life”?
  20. Why did the five kingdom of biological classification fall out of favor?
  21.  Are Archaea more closely related to Bacteria or Eukarya?
  22. Which are older: Archaea or Bacteria?
  23. What is the difference between an autotrophic and heterotrophic bacteria?
  24. Were the first bacteria thought to be autotrophic or heterotrophic?
  25. What is the morphological difference between Bacteria and Archaea?
  26. What is the difference between protists and prokaryotes?
  27. The earliest eukaryotic organisms must have had ________.
  28. Describe the leading hypothesis of the origin of the nuclear envelope. What evidence supports it? What is the advantage of having a nucleus?
  29. Describe the leading hypothesis of the origin of the mitochondrion. What evidence supports this? What did the mitochondrion provide the eukaryote? What did the eukaryote provide the mitochondrion.
  30. Describe the leading hypothesis of the origin of the chloroplast. What evidence supports this? What did the chloroplast provide the eukaryote? What did the eukaryote provide the chloroplast?
  31. What is the endosymbiosis hypothesis?
  32. What is meant by secondary endosymbiosis?
  33. What are the three ways protists move?
  34. Of the major lineages of Eukarya, how many contain protists?