Consider the food web for Lake St. Clair. 

Give a detailed analysis of this food web.   Be sure to address the following in your analysis:a description of the producers and consumers (you do not need to list every organism, but give a few examples along with what makes an organism fall into one class or the other), energy movement through the food  web, the number of trophic levels found in this food web, which organisms most efficiently utilize the resources, the way in which of one biogeochemical cycle interacts with the ecosystem of this food web, and how humans can negatively impact this food web.