Ch 10.1-10.2 Bacteria

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Across
  1. 2. An organism that obtains its nourishment by living in or on another organism.
  2. 3. Any change, except for those caused by injuries, that affects an organism’s normal function.
  3. 4. A rod shaped bacterium.
  4. 6. Relationship in which an organism obtains its nourishment from dead organic matter.
  5. 7. An organism that breaks down dead organic matter into forms that can be used by other organisms (2 words).
  6. 9. The genetic change that occurs when DNA from one bacterium is taken up through the membrane of another bacterium.
  7. 12. A temporary union of two organisms or cells for the one-way transfer of genetic material; type of sexual reproduction.
  8. 13. A chain of cells.
  9. 14. A spiral-shaped bacterium.
  10. 15. An asexual spore that forms within a bacterium.
Down
  1. 1. A method of asexual reproduction in which the nuclear material is copied and the parent cell divides into two equal cells (2 words).
  2. 4. An extremely small, unicellular, prokaryotic organism found in the kingdoms Archaebacteria and Eubacteria.
  3. 5. A process whereby certain organisms obtain cellular energy from the breakdown of inorganic chemicals.
  4. 8. A cellular secretion surrounding certain algae and bacteria.
  5. 10. A spherical bacterium.
  6. 11. A non-membrane-bound mass of DNA and proteins in a prokaryotic cell (2 words).