click below
click below
Normal Size Small Size show me how
cell system part 1
| Term | Definition |
|---|---|
| Organism | a living thing. |
| Cell | the basic unit of structure and function in living things. |
| Unicellular | made of a singe 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 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 barley 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 in an organism; bear offspring. |
| Energy | the ability to do work or cause change. |
| Waste | anything left over or not of use. |