| A | B |
|---|
| demography | study of populations |
| world's population | 6.5 million |
| birth rate | number of births per 1,000 people per year |
| death rate | number of death's per year for every 1,000 people |
| migration | movement of people |
| zero population growth | birth rate = death rate |
| doubling time | number of years for a population to double |
| challenges of growth | lack of food and resource |
| negative population growth | death rate exceeds birth rate |
| Asia | contains 60% of population |
| population density | average number of per sq. mile |
| Canada | lowest population density |
| Bangladesh | highest population density |
| urbanization | growth in cities |
| culture | way of life |
| monothesism | worship one god |
| polytheism | worship more than one god |
| ethnic groups | people who share common culture |
| Cultural diffusion | spread of cultural traits from one culture to another |
| agricultural revolution | shift away from hunting/gathering |
