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