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* Population *
Migration & Dispersion
Question | Answer |
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Age Distribution | (Population pyramid) is two back-to-back bar graphs, one showing the number of males and one showing females in a particular population in five-year age groups. |
Carry capacity | This is the population level that can be supported, given the quantity of food, habitat, water and other life infrastructure present |
Cohort | Population of various age categories in an age-sex population pyramids. |
Demographic equation | The formula that calculates population change |
Demographic momentum | this is the tendency for growing population to continue growing after a fertility decline because of their young age distribution. |
Demographic regions | shows how different parts of the world are in different stages of the demographic transition. |
Demographic Transition model | Stage 1 is low growth, Stage 2 is High Growth, Stage 3 is Moderate Growth, and Stage 4 is Low Growth and Stage 5 although not officially a stage is a possible stage that includes zero or negative population group. |
Dependency ratio | The number of people who are too you or too old to work compared to the number of people in their productive years |
Diffusion of fertility control | The diffusion of fertility control is spread throughout the world |
Disease diffusion | Hierarchical is along high density areas that spread from urban to rural areas. Contagious is spread through the density of people |
Doubling time | The number of years needed to double a population, assuming a constant rate of natural increase. |
Acumen | The proportion of earths surface occupied by permanent human settlement. |
Epidemiological transition model | This is a distinctive cause of death in each stage of the demographic transition. |
Infant mortality rate: | (IMR) The annual number of deaths of infants under one year of age, compared with total live births. |