Carbon and Nitrogen Cycle. Turn page horizontally 66.

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Presentation transcript:

Carbon and Nitrogen Cycle

Turn page horizontally 66

Combustion- burning of fossil fuels (converts oxygen to carbon dioxide) Photosynthesis- the process in which producers use CO 2, H 2 0 and energy from the sun to create oxygen and sugar. Cellular respiration- the process by which all living things use oxygen and sugar to create energy and CO 2.

Nitrogen Cycle …67

78% of the atmosphere is nitrogen. But animals and plants cannot use it in that form

Bacteria in the soil “fix” the nitrogen.

Animals die or poop and the nitrogen goes into the soil.

Bacteria is the MVP of the Nitrogen Cycle

Nitrogen fixation- when bacteria changes the nitrogen into a form that can be used by plants and animals