Choose ONE of the following topics and write a 300 word paragraph. You must include sources to support your work. Chain of Dependency Select a plant or animal that yields a substance vitally important to human life. Research the natural environment of the selected species and identify geographical elements and other species that are necessary for the survival of your selected species. Write a detailed paragraph on the chain of dependency you discover. OR Reversing Near-Extinction of Species Research the Internet to identify a case where the near-extinction of a species has been successfully reversed. Write a paragraph summarizing the case. Use the following questions to guide you: What was the threat to the species? How much was the decline in the population of the species? What actions were taken to preserve the species? What was the outcome and how long did it take?