Ecology and nutrient cycling

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An autotroph

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is a self feeding organism that does photosynthesis

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An autotroph does

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Photosynthesis

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Carnivore, omnivore, herbivore, detritivore are all examples of types of

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heterotrophs

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This is the equation for

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photosynthesis

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Cellular Respiration

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Deforestation means

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cutting down trees

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The reason why deforestation adds to the CO₂ problem is that

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Trees use up CO₂

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The burning of fossil fuels equations most closely resembles

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the cellular respiration equation

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N₂ is

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Nitrogen gas found in the atmosphere

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When N₂ gas goes from the atmosphere to living organisms in the soil, this is called

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nitrogen fixation