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Biogeochemical cycle

TermDefinition
photosynthesis the process of carbon dioxide being fixed into sugar molecules with the use of sunlight
cellular respiration the process of breaking down sugar to release energy that also produces carbon dioxide
decomposition the breakdown of organic material by bacteria and fungi to release nutrients back to the soil including carbon and nitrogen
evaporation the process of surface water vaporizing and changing from a liquid to a gas
precipitation the product of condensation of water vapor that falls to the ground
transpiration the process where liquid water travels through plants to small pores under the leaves and vaporizes being released to the atmosphere
condensation the change of state of water from a gas to a liquid usually occurring in the atmosphere creating clouds.
ground water water beneath the earth's surface
denitrifying bacteria bacteria that convert nitrates in the soil to atmospheric nitrogen.
nitrifying bacteria bacteria that convert ammonia to nitrates which can be used by plants and other organisms.
legume a group of plants that can convert atmospheric nitrogen to nitrates because of associated nitrogen fixing bacteria in their root nodules.
nitrogen fixation the process in which atmospheric nitrogen is converted into ammonia
Created by: jhaase
 

 



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