ecology unit 6 assessment

question 1: Describe how atmospheric carbon dioxide levels fluctuate daily, seasonally, and geographically. Explain why such fluctuation occurs. Your response should be at least 75 words in length.

Question 2:Describe the movement of an atom of nitrogen from the leaf of a plant, through the process of decomposition, and back into the root of another plant. Your response should be at least 200 words in length.