APHG Ch.5 Word Scramble
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| Term | Definition |
| linear growth | Rate of growth that advances in a straight line. |
| Exponential Growth | Growth at a constant rate of increase per unit of time. |
| Doubling Time | The time required for a population to double in size. |
| Population Explosion | The rapid growth of the world's human population during the past century, attended by the ever-shorter doubling time and accelerating rates of increase. |
| Population Structure/Composition | A population's makeup in terms of age, sex, or other properties such as martial status and education. |
| Age-sex pyramid | Graphic representation of a population showing the percentages of the total population by age and sex. |
| Demography | The study of population. |
| Natural Increase Rate (NIR) | The difference between the number of births and the number of deaths during a specific period. |
| Crude Birth Rate (CBR) | The number of live births per year per thousand people in the population. |
| Crude Death Rate (CDR) | The number of deaths per thousand people in a population. |
| Total Fertility Rate (TFR) | The number of children born to women of childbearing age. |
| Infant Mortality Rate (IMR) | The number of babies that die within the first year of their lives in a given population. |
| Demographic Cycle/Transition | Four stages of population change; high stationary stage, early expanding stage, late expanding stage, low stationary stage. |
| Demographic Transition | Represented by stages 2 and 3 of the demographic cycle. |
| Stationary population level (SPL) | The level at which a national population ceases to grow. |
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