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cell system vocab
the cell system vocab
| 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 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 witch 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 larger |
| cell theory | a widely accepted explanation of the relationship between cells and living things |
| distinguish | to manage to recognize something you can barely see point out a difference |
| growth | size or stage of development |
| hand lens | a magnifine glass desined to be held in the hand |
| magnification | to increase the apparent size of an object |
| peproduce | 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 |