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cell system part 1
| Term | Definition |
|---|---|
| Organisms | 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 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 generation | the mistaken idea that living things arise from nonliving sources. |
| Homeostasis | the condition in which an organism's 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 bigger |
| Cell theory | a widely accepted explanation of the relationship between cells and living things. |
| Distinguish | to manage to recognize something you can barely see.) to point out a difference |
| Growth | size or stage of development |
| Hand lens | a magnifying glass designed to be held in the hand |
| Magnification | to increase the apparent size of an object |
| Reproduce | to reproduce its kind, as an organism; bear offspring |
| energy | the ability to do work or cause change |
| waste | anything left over or not of use |