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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 | consisting of many cells |
| stimulus | any change or signal in the invironment that can make an organism react in some way |
| response | an action or change in behavior that 0ccurs as a result of a stimulus |
| spontaneous generetion | the mistake idea that living things arise from nonliving sources |
| Homeostasis | the condition in which an organism internal environment is kept stable in spite of changes in the external environment |
| characteristics | a feature that helps to identify something |
| microscope | an instrument that makes small objects look larger |
| cell theory | a widely accepted explanation of the relationships between cells and living things |
| distinguish | 1) to manage to recognize something you can barely see 2) to point out a difference |
| growth | size or stage of development |
| hand lens | a magnifying glass desingned to be held in the hand |
| magnification | to increase the the apparent size of an object |
| reproduced | to reproduce its kind,as in an organism bear ,offspring |
| energy | the ability to do work or cause change |
| waste | anything left over or not of use |