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Living Things
| Term | Definition |
|---|---|
| Homeostasis | Constant internal physical and chemical conditions that organisms maintain. (stable) |
| Adaptation | Heritable characteristic that increases an organism's ability to survive and reproduce in an environment. (adapt or die) |
| Metabolism | The combination of chemical reactions through which an organism builds up or breaks down materials (food=energy) |
| Biotic | Any living part of the environment with which an organism interacts. |
| Stimulus (or stimuli) | Signal to which an organism responds |
| Abiotic | Physical, or nonliving factor, that shapes an ecosystem |
| DNA | Genetic material that organisms inherit from their parents |
| Cells | Basic unit of all forms of life |
| Evolution | Change over time; the process by which modern organisms have descended from ancient organisms |