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Ecosystems Ecology Part 2

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Presentation on theme: "Ecosystems Ecology Part 2"— Presentation transcript:

1 Ecosystems Ecology Part 2
AP Biology Ecosystems Ecology Part 2

2 Water Cycle Transport over land Solar energy Net movement of
water vapor by wind Precipitation over land Precipitation over ocean Evaporation from ocean Evapotranspiration from land Percolation through soil Runoff and groundwater

3 Carbon Cycle Higher-level consumers Primary consumers Carbon compounds
CO2 in atmosphere Photosynthesis Cellular respiration Burning of fossil fuels and wood Higher-level consumers Primary consumers Carbon compounds in water Detritus Decomposition

4 Nitrogen Cycle N2 in atmosphere Denitrifying bacteria Nitrogen-fixing
Assimilation Denitrifying bacteria NO3– Nitrogen-fixing bacteria in root nodules of legumes Decomposers Nitrifying bacteria Ammonification Nitrification NH3 NH4+ NO2– Nitrogen-fixing soil bacteria Nitrifying bacteria

5 Phosphorus Cycle Rain Geologic uplift Weathering of rocks Plants
Runoff Consumption Sedimentation Plant uptake of PO43– Soil Leaching Decomposition

6 Harvesting

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