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2.1
Chapter 2.1 Vocabulary
| Term | Definition |
|---|---|
| Organism | living things |
| Cell | basic unit of structure and function in an organism |
| Unicellular | single celled organisms |
| Multicelluluar | organisms that are composed of many cells that are specialized to do certain tasks |
| Stimulus | a change in an organism’s surroundings that causes the organism to react |
| Response | an action or change in behavior |
| Development | process of change that occurs during an organism’s life to produce a more complex organism |
| Spontaneous | the mistaken idea that living things can arise from nonliving sources |
| Autotrops | organisms that make their own food |
| Heterotrophs | organisms that cannot make their own food |
| Homoestasis | the maintenance of stable internal conditions |