BIO1233.004 Ch 15 Bacteria, Archaeans, Protists and Viruses SP 2022

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Across
  1. 2. These are not cells and do not fit into any of the three domains of life
  2. 5. A epidemic that is spread over multiple countries or continents
  3. 6. This type of gene transfer is one way bacteria achieve genetic recombination
  4. 8. Another example of a plant-like protist
  5. 9. These bacteria require oxygen for growth
  6. 11. These organisms thrive in extreme habitats
  7. 13. In bacteria, this is a usually single circular DNA molecule
  8. 14. A widespread occurrent of an infectious disease in a community or population at a particular time
  9. 15. resistance to the spread of a contagious disease within a population that results if a sufficiently high proportion of individuals are immune to the disease, especially through vaccination
  10. 16. Viruses that suddenly become apparent; SARS-COV-2 is an example
  11. 17. Circular DNA molecules that carry genes for specific functions
  12. 18. Example of a plant-like protist
  13. 19. A disease that can be transmitted between humans and animals
Down
  1. 1. The method of asexual reproduction that bacteria use to divide and produce two daughter cells
  2. 2. Example of an animal-like protist
  3. 3. Responsible for the oxygenation of the atmosphere
  4. 4. These bacteria do not require oxygen for growth
  5. 7. These reduce the risk of infection by working with the bod’s natural defenses to safely develop immunity to disease
  6. 10. Responsible for 25-50% of the photosynthetic production of oxygen on earth
  7. 12. Example of a fungi-like protist