Across
- 3. a virus that infects and replicates within bacteria and archaea
- 4. a slender thread like structure
- 9. bacterium, virus, or other microorganism that could cause disease
- 12. fundamental movement of ions within the cells along the concentration gradient without any external energy
- 13. requiring the absence of oxygen
- 15. abnormal pathogenic agents that are transmissible
- 17. practice of living as a parasite in or on another organism causing some harm
- 18. the process of removing solid particles from a liquid/gaseous fluid by passing it through a filter
- 20. an assemblage of surface-associated microbial cells
Down
- 1. a polyphyletic group of single-celled eukaryotes that feed on organic matter
- 2. spherical
- 3. free-living organisms often consisting of one biological cell
- 5. the movement of molecules across a cell membrane
- 6. a simple nonflowering, aquatic plant
- 7. yeast and molds
- 8. short microscopic hair-like vibrating structures
- 10. requiring free oxygen from the environment to live
- 11. symbiosis that is beneficial to both organisms involved
- 14. an association between two organisms in which one benefits and the other neither benefits nor harms
- 16. rod-shaped
- 19. gradual movement/dispersion of concentration within the body from areas of high to low concentration