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Carbon nitrogen cycle.

Published byLeon Hodge Modified over 6 years ago

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Presentation on theme: "Carbon nitrogen cycle."— Presentation transcript:

1 Carbon nitrogen cycle

2

3 Carbon Cycle (Honors)-(shoulder partner)
How does Carbon get into the food chain? How does Carbon get into the atmosphere? What role do decomposers play in the Carbon cycle?

4 Greatest Carbon Cycle Video/Animation Ever
?8apcarbon_cycle

5 Carbon Cycle ALL living tissue has/needs some form of carbon
Plants take in CO2, during photosynthesis Animals release CO2 into atmosphere during respiration(breathing/exhaling, digesting food) and human activities Decomposers release CO2 as they break down/consume dead things organic compounds Human Activity includes burning fossil fuels & vegetation How does carbon get into food chain/atmosphere?

6 Nutrient Cycles CO2 in Atmosphere CO2 in Ocean Carbonate Rocks
Photosynthesis Volcanic activity feeding Respiration Erosion Human activity Respiration Decomposition CO2 in Ocean Uplift Carbon is found in several large reservoirs in the biosphere. In the atmosphere, it is found as carbon dioxide gas; in the oceans as dissolved carbon dioxide; on land in organisms, rocks, and soil; and underground as coal, petroleum, and calcium carbonate rock.  Deposition Photosynthesis feeding Fossil fuel Deposition Carbonate Rocks

7 D B B C A A Nutrient Cycles CO2 in Atmosphere CO2 in Ocean
Photosynthesis Volcanic activity feeding Respiration B Erosion Human activity Respiration Decomposition CO2 in Ocean C Uplift Carbon is found in several large reservoirs in the biosphere. In the atmosphere, it is found as carbon dioxide gas; in the oceans as dissolved carbon dioxide; on land in organisms, rocks, and soil; and underground as coal, petroleum, and calcium carbonate rock.  Deposition Photosynthesis feeding A Fossil fuel Deposition Carbonate Rocks A

8 D B B C A A Nutrient Cycles CO2 in Atmosphere CO2 in Ocean
Photosynthesis Volcanic activity feeding Respiration B Erosion Human activity Respiration Decomposition CO2 in Ocean C Uplift Carbon is found in several large reservoirs in the biosphere. In the atmosphere, it is found as carbon dioxide gas; in the oceans as dissolved carbon dioxide; on land in organisms, rocks, and soil; and underground as coal, petroleum, and calcium carbonate rock.  Deposition Photosynthesis feeding A Fossil fuel Deposition Carbonate Rocks A

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10 Nitrogen Cycle All organisms need nitrogen to make proteins and nucleic acids and to live and grow Most (78%) of Earths’ nitrogen is in the air Nitrogen enters the soil through organism death and waste Plants can’t use nitrogen in the air-can use only nitrates in soil Wastes like urine ,dung (poop) along with dead/decaying organisms- carry a lot of nitrogen into the soil. Soil bacteria called nitrogen fixers change nitrogen in dead organisms, urine, and dung (poop) into nitrates plants can now use and absorb through their roots. That process is called nitrogen fixation. A separate anaerobic bacteria converts some of the nitrates back into nitrogen gas that goes back into the atmosphere(process is called dentrification)

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12 Nitrogen cycle

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