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How does carbon return to the atmosphere?
Cellular Respiration from Plants and Animals, Burning of Fossil Fuels, Decomposition of Plants and Animals, Volcanic Activity
What are the four Main Carbon Reservoirs?
Atmosphere (carbon dioxide), ocean (carbon dioxide), on land (organisms), underground (fossil fuels)
What is nitrogen fixation?
When bacteria take nitrogen from the atmosphere and turn it in to a form that can be used by plants.
What is denitrification?
Bacteria turn nitrogen in the soil that is used by plants into gas that is released into the atmosphere.
How do humans get nitrogen?
Eating plants
How is the phosphorus cycle different from other biogeochemical cycles?
Phosphorus doesn't cycle through the atmosphere.
Where is the X axis located on a graph?
horizontal axis
Where is the Y axis located on a graph?
vertical axis
How is the scale (numbers) of a graph determined?
Based on the data given, a scale is determined by looking at the highest values so that the graph is spread out when points are plotted
Make a claim about human impact on the enviroment.
Answers Vary
Provide evidence for humans negatively impacting the environment.
Answers Vary
What is biomagnification?
Concentration of toxins in organisms higher in the food chain occurs because of the accumulation from the consumption of organisms further down the food chain.
