| A | B |
| Bacteria | one-celled, prokaryotic organisms |
| Kingdom Monera | largest classification group for bacteria |
| Moneran | another name for a bacterium |
| Prokaryote | an organism with cells that do not have nuclei (a nucleus) |
| Eukaryote | an organism that has a nucleus inside its cell |
| Pasteurization | a special technique used in the food industry to kill harmful bacteria |
| Pathogen | something that causes disease |
| Fission | a type of asexual reproduction where the parent organism splits into two identical "daughter cells" |
| Pseudo-Sex | "Fake Sex", also known as conjugation |
| Conjugation | a technique used by bacteria to "swap" or share DNA with each other |
| Coccus Bacteria | round shaped bacteria |
| Bacillus Bacteria | rod shaped bacteria |
| Spirillum Bacteria | spiral shaped bacteria |
| Endospore | a protective covering for some bacteria, which allows them to survive harsh environmental conditions |
| Epidemic | when a disease suddenly spreads throughout a population |
| Epidemiologist | a person that studies the spread of diseases |
| Contagious | a period of time when a person can spread a disease to others, but usually doesn't know he/she is infected |
| Incubation Period | the time it takes for a person to develop symptoms of a disease |
| Pandemic | occurs when a disease spreads throughout the world |
| Disease Vector | something that is capable of spreading a disease (animals, food, water, etc.) |