The animals in the food web release into the environment, which plants then use for a) oxygen: respiration b) carbon dioxide: respiration c) water vapor: photosynthesis d) carbon dioxide: photosynthesis

Adescription of at least one real life problem that has to be solved or decision that has to be made using good judgment, and obstacles encountered while making the decision(s) or solving the problem(s) (again, these can be real examples or imagined, but they should clearly illustrate your understanding of the obstacles described.) at least three key terms from the lesson used in your example(s):