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Ecology - Cycles

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Question
Answer
The evaporation of water from the leaves of plants.   transpiration  
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Water falling from the sky in the form of rain, snow, or ice.   precipitation  
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Liquid water changing into a gas - usually under the influence of heat.   evaporation  
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The conversion of water vapor into a liquid.   condensation  
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The movement of water into the ground through pores in the soil.   seepage (percolation)  
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Water that flows on the surface until it collects in a body of water.   run-off  
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The collection of water from the soil from the roots of plants.   root uptake (absorption)  
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Liquid water precipitation.   rain  
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Precipitation in the form of flakes or crystalline water.   snow  
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Rain or melted snow that freezes before it hits the ground; falls as a solid.   sleet  
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Liquid water precipitation that falls when surface temps. are below freezing, sometimes freezing upon contact with a surface.   freezing rain  
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Ice that forms in thunderclouds high in the cool atmosphere and falls to the ground.   hail  
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The process of converting nitrogen gas into a form of nitrogen plants can use.   nitrogen fixation  
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The process of making nitrogen gas from nitrogen compounds in the ground.   denitrification  
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Type of organisms that perform nitrogen fixation and denitrification.   bacteria  
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A type of nitrogen fixation that involves lightning.   atmospheric fixation  
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A type of nitrogen fixation that involves industries making fertilizers.   industrial fixation  
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A type of nitrogen fixation that requires bacteria.   biological fixation  
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Process that removes carbon from the atmosphere.   photosynthesis  
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Processes that can return carbon to the atmosphere.   cellular respiration, volcanic activity, burning of fossil fuels, organism decay, uplift and erosion.  
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The exchange and transfer of molecules amongst organisms and between organisms and the earth.   biogeochemical cycles  
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Soil bacteria converting ammonium in to nitrites and nitrates, making nitrogen available for plants.   nitrification  
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Decomposers like bacteria or fungi converting nitrogen gas OR nitrogen compounds in the soil into ammonium.   ammonification  
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Living organisms taking up nitrogen compounds and incorporating them into their tissues.   assimilation  
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