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living things
characteristics on living things
| Term | Definition |
|---|---|
| cells | contain all the material necessary for life |
| multi-cellular | many cells; perform different jobs |
| uni-cellular | one cell; cannot perform different jobs |
| stimulus | change in organisms environment that affects the activity of the organism |
| response | a reaction to a stimulus |
| homeostasis | maintaining a constant interval environment (Ex. Body temperature is 98 degrees |
| sexual reproduction | two organisms produce offspring that is a combination of parents |
| Asexual reproduction | one organism produces offspring that are identical to the parent |
| DNA | blueprints of life, gives directions to make proteins, and heredity |
| Heredity | transmission of characteristics from one generation to the next |
| energy | necessary for all life activities, acquired from breaking down the food we obtain, and metabolism |
| metabolism | the sum of all chemical activities |
| grow | organism becomes larger in size |
| develop | organism changes |