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cell system part 1
| Term | Definition |
|---|---|
| organism | a living thing |
| cell | the basic unit of structure and function in living things |
| unicellular | made of a single cell |
| multicelluular | consisting of many cells |
| stimulus | any change or signal in the environment that can make an organism react in some way |
| response | an action or change in behavior that occurs as a result of a stimulus |
| spontaneous | the mistaken idea that living things arise from nonliving sources |
| homeostasis |