Across
- 2. ______________ is the body's ability to fight infection
- 5. The genetic material inside a virus is either DNA or ___
- 7. This is when a harmless version of a disease is introduced to a person to protect against potential future harmful doses of the disease
- 9. The body produces these to fight against disease
- 11. What name do we give to a large number of bacteria or fungi that can be seen without a microscope
Down
- 1. __________ is when two organisms live in close association and both of them benefit from the arrangement
- 3. ______________ are very small living things that usually can only be seen using a microscope
- 4. Tuberculosis and tetanus are examples of diseases caused by this type of microorganism
- 6. Viruses are enclosed in a coat of _______
- 8. What do we call microorganisms that cause disease
- 10. _____________ is using living organisms to produce a useful product