| A | B |
| adaptation | helps to survive in environment |
| cell | smallest unit of an organism |
| control | standard to use with outcome of test |
| development | changes organisms go through as they grow |
| homeostasis | maintaining steady conditions in an organism |
| organism | living thing |
| response | reaction of an organism to a stimulus |
| Scientific Method | organized problem-solving procedure in Science |
| stimulus | anything an organism reacts to |
| variable | what is being tested in the experiment |
| binomial nomenclature | Linnaeus's contribution to organism classification |
| genus | first word in an organisms scientific name |
| 50% | average percent of water in living things |
| spontaneous generation | belief that living things come from non-living things |
| Redi | showed maggots come from eggs not dead meat |
| Spallanzani | showed tiny organisms come from other tiny organisms |
| biogenesis | living things come from living things |
| hypothesis | prediction that can be tested |
| theory | explanation of things or events based on observations |
| Miller | showed substances present in living things could be made from non-living things |