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sells 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 |
multicellular | consisting of many cells |
stimulus | any change or single in the environment that can make an organism react in some way |
response | an action or change in behavior that occurs as a as a result as a stimulus |
spontaneous generation | the mistaken idea that living things arise from nonliving sources |