Across
- 3. a weakened or dead form of a pathogen that causes an organism to develop immunity against a pathogen
- 4. the process by which cells break down sugar to release stored energy
- 6. the manipulation of living things to make useful products
- 7. a living thing that cannot be seen without a microscope
- 8. a microorganism that causes disease
- 11. an organism that does not make its own food and gets energy from other organisms
- 12. the basic unit of structure and function in all living things
Down
- 1. a one-celled or many-celled organism such as a mushroom, or yeast
- 2. an outbreak of disease that spreads throughout the world
- 5. the process by which the cells of plants and some other organisms use the energy of the sun to make their food
- 6. one-celled prokaryotes, some of which can cause disease, others can be helpful
- 8. an organism that lives in or on another organism and benefits at the other organism's expense
- 9. a drug that kills bacteria or slows their growth
- 10. an outbreak of a disease that affects many people in an area
- 11. an organism that a parasite lives in or on