GS102 Introduction to Life Science Week 6 Quiz Answers

 GS102 Introduction to Life Science  Week 6 Quiz Answers

GS102 Week 6 Quiz

  1. Oxygen built up in the atmosphere approximately 2 billion years ago and
  2. Which form of bacterial cells is rod shaped?
  3. Endospores form
  4. Most bacteria are
  5. Some bacteria can form resting structures called ___________ that can withstand extremes in temperature, moisture, and radiation.
  6. When taxonomists classify organisms using a phylogenetic approach, they are most concerned with
  7. In bacteria, the cell wall is composed mainly of
  8. All but one of the following are false regarding protists. Identify the true statement
  9. What term is used to indicate a characteristic that is shared and inherited from a common ancestor?
  10. The endosymbiont hypothesis suggests that the mitochondria of eukaryotic cells are descended from captured
  11. Paleontologists have found fossils dating back 3.6 billion years. These closely resemble
  12. Prions are composed of
  13. Rickettsias belong to which major group of bacteria?
  14. What is the main difference between protists and bacteria?
  15. Kelps are a form of what group of protists?
  16. Of the following, which kingdom contains the most diversity in terms of DNA sequences?
  17. The Cambrian Explosion provided a wealth of fossil remains for scientists to uncover. Many of the animals from this time period had tough skins or shells. This would
  18. During which geological era did Pangea break apart?
  19. Eukaryotic cells are thought to have
  20. Atmospheric chemists think that Earth’s first atmosphere