Objectives Nitrogen Cycle

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Presentation transcript:

Objectives Nitrogen Cycle To understand benefits of Nitrogen in biosphere To analyze Nitrogen cycle To evaluate consequences of disrupting the cycle

https://youtu.be/ZaFVfHftzpI Nitrogen Cycle https://youtu.be/ZaFVfHftzpI

Nitrogen Cycle

Nitrogen is useful how? Everything that lives NEEDS Nitrogen Amino acids Proteins DNA ATP Chlorophyll

Questions Which is another method for fixing nitrogen? What word describes the relationship between the plant and nitrogen-fixing bacteria? Where are nitrogen fixing bacteria found? What is Nitrogen used for in plants? Which microorganism turns ammonia into nitrates? In what form is nitrogen taken into a plant?

Excess of Nitrogen in environment is not good CAUSES Increased use of fertilizer by developed and developing countries Combustion of fossil fuels Burning of biomass Gasoline powered vehicles EFFECTS Air pollution (Smog, acid rain) Decreased visibility, health impacts Eutrophication Increase in greenhouse effect Decrease in biodiversity