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Ch. 19+21
Science
| Term | Definition |
|---|---|
| Condensation | Change of water from vapor to liquid |
| Runoff | Precipitation that fals on land and then goes into rivers and lakes |
| Precipitation | water that falls from atmosphere to land and oceans |
| Evaporation | Change of water from liquid to vapor |
| Groundwater | Water Stored between or within rocks |
| Pioneer species | First organisms to live in an area |
| Primary succession | community growing in an area where organisms have never lived |
| climax species | well adapted species in a mature community |
| succession | replacement of one type of community by another over time |
| Nitrogen fixation | bacteria in soil change nitrogen gases into other forms |
| respiration | cells turn food into usable energy; glucose is broken down in the presence of oxygen |
| transpiration | Plants release water vapor into the air through stomata |
| Photosynthesis | Plants use sunlight,water, and carbon dioxide to make sugars while releasing oxygen |
| Combustion | the bruning of a substance |
| Decompisition | the break down of substances and simpler molecules |
| Secondary succession | Community growing in an area affected by a disturbance |