Nutrient Cycles Notes.

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Presentation transcript:

Nutrient Cycles Notes

Water Cycle Condensation - when tiny droplets of water form clouds Precipitation - when water is returned to the ground (rain, sleet, snow, hail) Evaporation - when water changes from liquid form to an atmospheric gas Biological Transpiration - when water is released from the leaves of plants into the atmosphere Root Uptake – when plants absorb water from the ground

The Water Cycle The Water Cycle Section 3-3 Condensation Precipitation Evaporation Transpiration Runoff Seepage Root Uptake

Nitrogen Cycle Nitrogen Fixation Bacteria have a symbiotic relationship with plants. They can take Nitrogen from non-living sources and convert it into usable form for living organisms. Nitrogen is passed through the food chain Denitrification when other bacteria in the soil convert nitrates into nitrogen gas

Nitrogen Cycle N2 in Atmosphere NO3- and NO2- NH3

Carbon Cycle Photosynthesis Respiration Decomposition 6CO2 + 6H2O -> C6H12O6 + 6O2 Carbon dioxide required Releases oxygen Respiration C6H12O6 + 6O2 -> 6CO2 + 6H2O Requires oxygen releases carbon dioxide Decomposition

CO2 in air Carbon Cycle CO2 in ocean