Population Ecology Define: species, population, metapopulation Give examples of things that determine different patterns of dispersion] What are the 4 factors in population dynamics? Describe the J and S curves. Be able to draw them, label the x and y axes, and say what they mean. What is r? What is K? What happens when a population reaches K? What are r and K selection? What traits are maximized in each? Give examples of each. Contrast density independent and density dependent factors. Which selection type does each favor?