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Nitrogen Cycle

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by

Ryan Spafford

on 10 October 2014

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Transcript of Nitrogen Cycle

Credits
Our Science Book

https: //www.youtube.com/watch?v=DP24BceOwt8

https://www.google.com/imghp?hl=en&tab=wi&ei=cd41VN37CdijyATWpoG4BA&ved=0CAQQqi4oAg (Google Images)
Youtube Summary
Nitrogen Fixation
Nitrogen fixation is a process in which the bacteria that inhabit the soil change elemental nitrogen into a form that plants are able to use.
Decomposition releases a form of nitrogen into the soil that plants can use.
Bacteria in the soil change nitrogen to a gas, and the gas is then returned to the atmosphere.
Nitrogen
Nitrogen is important to all living things because it helps build new cells for organisms.
The nitrogen builds proteins and DNA for the organism's cells
When the nitrogen moves through the living things and the environment, it is referred to as the
NITROGEN CYCLE
Nitrogen Cycle
Decomposition
How Animals Gain Nitrogen
Herbivores gain nitrogen by eating plants
Carnivores obtain nitrogen by eating other animals who eat plants
Omnivores get nitrogen by eating both animals and plants
How Plants Obtain Nitrogen
Plants get nitrogen through the soil or air
Air has lots of nitrogen in elemental form, but plants cannot use it
The decomposers make ammonia, nitrates, and nitrites so the plants can use it.
Kenna, Ryan, and Hannah




http://goo.gl/KL0B6E
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