| A | B |
|---|
| organism | a living thing |
| DNA | the code of life |
| antibiotics | chemicals that destroy or weaken harmful microorganisms |
| autotrophs | organisms that obtain energy by making their own food |
| heterotrophs | organisms that cannot make their own food and thus must eat other organisms to survive |
| host | a living thing that provides a home and/or food for a parasite |
| symbiosis | a relationship in which one organism lives on, near, or even inside another organism and at least one of the organisms benefits |
| virus | a disease-causing particle consisting of hereditary material enclosed in a protein coat that is smaller and less complex than a cell |
| mutation | a slight copy error which gives new bacteria a new trait |
| evolution | the process of changes in the genes from one generation to the next enabling an organism to adjust to the environment |
| antibodies | something made by your immune system to help protect you from forein bodies |
| microbe | a very tiny, single-celled creature |
| vaccine | a shot containing a dead or weak virus. Your body makes antibodies to fight it. The antibodies remain in your body to fight off the virus if it comes your way |
| Immune system | defense system in your body |
| antiseptics | something that limits the growth of bacteria |
| disinfectants | something that limits the growth of bacteria |
| nucleus | controlls cell's activities |
| parasite | an organism that survives by living on or in a host organism, thus harming it |
| colony | a group of organisms that live together or attached |
| Photosynthesis | the food making proccess, in which light energy is used to make food from carbon-dioxide and water |
| Monerans | tiny organisms that consist of one cell |
| endospore | an internal resting cell on bacteria which is formed |
| bacteria | various groups of one celled organisms, various species of which are involved in infectious diseases |
