1. identify and discuss the two most imporant factors in population dynamics, birth and death , and how theh shape population charecteristics. 2. demonstrate how the movement of population is affected by both push and pull factors and expain how these factors are key to understanding new settlement patterns. 3. describe the challenges of providing for the worlds growing population with adequate food and safe drinking water , as well as a sustainable enviroment. 2. demonstrate how the movement of population is affected by both push and pull factors and expain how these factors are key to understanding new settlement patterns. 3. describe the challenges of providing for the worlds growing population with adequate food and safe drinking water , as well as a sustainable enviroment. .