| A | B |
|---|
| hypothesis | a testable explanation for a question |
| control | part of experiment that is kept the same |
| experiment | the testing of a hypothosis |
| heterotroph | consumer |
| autotroph | producer |
| biotic | factor that is living |
| abiotic | factor that is not living |
| primary succession | first growth of plants in an area |
| secondary succession | growth of plants in an area after a natural disaster |
| limiting factors | factors that control plant and animal growth |
| homeostasis | maintaining a stable internal environment |
| response | adjusting to a stimulus |
| habitat | where an organism lives |
| niche | the role an organism has in its environment |
| biosphere | layer of Earth that supports life |
| food web | network of connected food chains |
