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cell system part1
| 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 any cells |
| stimulus | any change of 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 form nonliving sources |
| homeostasis | the condition in which an organisms internal environment is kept stable in spite of changes in external environment |
| characteristic | a feature that helps to identify something |
| microscope | an instrument that makes small objects look larger |
| cell theory | a widely accepted explanation of the relationship 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 lends | 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 |