| A | B |
|---|
| antibiotic | chemical produced by some bacteria that are used to limit the growth of other bacteria |
| saprophyte | organism that uses dead organisms as a food source & helps recycle nutrients |
| nitrogen-fixing bacteria | these change nitrogen in the air into forms that plants & animals can use |
| pathogen | disease-producing organism |
| toxin | poisonous substance made by some pathogens |
| endospore | thick-walled protective structure made by some bacteria when conditions are not good for survival |
| vaccine | made from damaged particles of bacterial cell walls or from killed bacteria, it can prevent some bacterial diseases |
| pasteurization | process of heating food to a temperature that kills most bad bacteria |
| botulism | a type of food poisoning caused by toxin-producing bacteria |
| disease | a condition with symptoms that interferes with normal body functions |
