| A | B |
| aerobe | an organism that uses oxygen for respiration |
| anaerobe | an organism that can live without oxygen |
| archaebacteria | bacteria that live in extreme conditions |
| bioremediation | process that uses bacteria to break down wastes and pollutants |
| endospore | heat resistant structure in bacteria |
| flagella | whiplike structures that help bacteria move |
| pathogen | an organism that causes a disease |
| saprophyte | an organism that uses dead material as a food and energy source |
| toxin | poisin produced by disease-causing organism |
| vaccine | a solution made from dead viruses that is used to prevent a viral disease |
| cocci | spherical shaped bacteria |
| bacilli | rod shaped bacteria |
| methane | a gas produced as a waste by certan bacteria, used as a fuel |
| saprophyte | bacteria that use dead material as a food and energy source |
| nitrogen-fixing bacteria | a beneficial bacteria that benefits agriculture |
| archaebacteria | one of the two kingdoms of bacteria |
| eubacteria | one of the two kingdoms of bacteria |
| pasteurization | used in the food industry to kill harmful bacteria in foods |
| membrane bound organelles | what bacteria never has |
| Bacteria | is prokaryotic, decompose living things and used to make medicine |
| helpful bacteria | produce antibiotics, used to clean pollutants like oil spills, used to make cheese and yogert. |
| endospore | thick walls some bacteria produce around themselves |
| fission | one way bacteria reproduce |
| cyanobacteria | also called blue-green |
| nitrogen fixing bacteria | save farmers millions of dollars in fertilizer costs |
| cyanobacteria gel-like covering | helps them live together in colonies |