Overview: This purpose of the week 13 discussion board is to examine population and urbanization. Answer prompt 1. Then select and answer one prompt from prompts 2-5. Refer to Chapter 15 to answer the prompts. Instructions: Respond to prompts in paragraph form (200-400 words) Prompt 1: Describe 3 topics from Chapter 15 that you found interesting. Three topics I found interesting in Chapter 15 were invasion, succession, and gentrification. Prompt 2: Define demography and explain the three processes that produce changes in populations. Prompt 3: Discuss Malthusian, Marxist, and neo Malthusian perspectives on population as well as demographic transition theory. Prompt 4: Explain how cities develop through preindustrial, industrial, and postindustrial stages. Prompt 5: Identify the best-case and worst-case scenarios regarding population and urban growth in the twenty-first century, and discuss how some of the worst-case scenarios might be averted. Search entries or author .