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Published byBrendan McGee Modified over 9 years ago
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Cycles of Matter Energy flows one way…matter is recycled
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1. The Water Cycle Evaporation Condensation Precipitation
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What is a Nutrient? Chemicals that an organism requires to survive
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Nutrient Cycles What nutrients are recycled through the biosphere? Carbon dioxide Nitrogen Phosphorus Potassium
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Carbon Cycle CO2 gas in atmosphere taken up by plants Released by living things into atmosphere because of respiration
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Nitrogen Cycle Atmospheric nitrogen fixated by bacteria Heterotrophs eat it Living things die and microorganisms return N to atmosphere
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Phosphorus Cycle
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