| A | B |
|---|
| transpiration | water given off by plants during photosynthesis |
| watershed | large common drainage area of water to a common point |
| susquehanna | you live in this watershed |
| deritus | dead organix matter in the soil |
| soybeans | important plant in the nitrogen cycle |
| succesion | gradual change in land over a long time, from a barren field to a large forest |
| secondary | this type of succesion begins with a disurbance such construction |
| legumes | soybeans, peas, clover are these types of plants important for the nitrogen cycel |
| nitrogen | plants needs __________ from the atmospher but must use NO3 instead from the soil |
| nitrification | bacteria in the soil help convert N2 to NO3 |
| NO3 | the type of nitrogen plants take in through their roots |
| fossil | buring _______ increases the CO2 in the atmosphere |
| photosynthesis | plants remove CO2 from atmospheres, give off O2 |
| cell respiration | orgnaism take in O2 and release CO2 |
| biogeochemical | a term that describes all the cycles of the bioshere |
| runoff | water that moves over surfaces into drainage areas, slower is better |
