List and define 4 properties scientists use to predict population sizes (from 9.1).

Explain what we can predict about a population's likely growth rate based on its current age structure (hint: look at the population pyramid graphs in section 9.1 and discuss the differences).

Describe what's going on in 4 stages of the demographic transition (from 9.1 graph and video we watched).

Describe 3 problems caused by rapid human population growth.

Compare population growth in more-developed countries to population growth in less-developed countries.