click below
click below
Normal Size Small Size show me how
cell sytstem 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 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 the stimulus |
| spontaneous generation | the mistaken idea that living thing 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 object that makes small thing look big |
| 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 lens | a magnifying glass designed to be held by hand |
| magnification | to increase the apparent size of an object |
| reproduce | to reproduce its kind, as in an organism; bear offspring |
| energy | the ability to do work or cause change |
| waste | anything left over of not of use |