| A | B |
|---|
| organism | any living thing |
| bacteria | oldest life forms on Earth; bacteria were the first living things |
| DNA | code of life, plan, blue print of life |
| mutation | a copy error |
| evolution | the theory that organisms can change over a long period of time through a natural process |
| antibodies | chemicals that destroy or weaken other bacteria |
| antibiotics | chemicals that destroys or weakens harmful microorganisms |
| immune system | keeps germs out of your body |
| antiseptics | kill germs |
| disinfectants | kill germs |
| vaccine | weakend or killed viruses |
| photosynthesis | the food making process that involves chlorophyll, in which light energy is uded to make food from carbon dioxide and water |
| respiration | when your breathing stops and you need help breathing |
| autotrophs | an organism that obtains energy by making its own food |
| heterotroph | an organism that can't make its own food and must eat other organisms in order to obtain energy |
| virus | a disease causing parricle consisting of hereditary mateial enclosed in a protection coat that is smaller and less complex than a cell |
| Moneran | tiny organisms that consist of a single cell |
| colony | a settlement where bacteria and/or viruses come togetner |
| nucleus | the brain; contolls all activities; located in the center of the cell |
| microbe | a germ |
| endospore | small enternal resting cell |
| symbiosis | a relationship in which one organism lines on, near, or even inside another organism and at least one of the organisms benifits |
| parasite | an organism that survuves by living on or in a host organism, thus harming it |
| host | a living thing that provides a home and/or food for a parasite |
