Describe the demographic transition model and how it was developed by demographers.
Describe the 4 phases of demographic transition.
For each phase, compare crude birth rates (CBR) to crude death rates (CDR), and state whether the population is stable, growing, or declining in each. ·
According to demographers, what factors lead to a decline of the CDR in phase two and the CBR in phase three of the demographic transition? ·
Briefly describe 3 living conditions in developed countries that have reached phase four, and contrast them with these same conditions in developing countries that remain in earlier phases.
Food security means that everyone has an adequate amount of nutritious food to lead healthy lives. Research and describe 1 specific program that helps developing countries reach food security goals.