Sign the scan-tron answer sheet in the appropriate section. Read all the answers and then pick the best answer from the selection and mark the appropriate response on the scan-tron score sheet. The exam has 27 multiple choice questions worth 3.3333 points and 2 short answer questions worth 5 points each. You will have 50 minutes to complete the exam.
Primary consumers feed directly on primary producers.
The nitrogen cycle is one of the most important biogeochemical cycles. The largest reservoir of carbon dioxide is the deep waters of the ocean. The ocean isn t the largest reservoir for carbon dioxide, so none of the above is correct. Human activites such as deforestation and burning of fossil fuels has unbalanced the natural carbon cycle. Since the extensive fires in Yellowstone National Park in 1988, the park often has been cited as an example of the connection between forest fire and natural succession.