Geography-unit 2 Flashcards
Carrying capacity
the number of people that an area can hold while providing enough resources
Doubling time
Number of years needed to double a population
Crude death rate
Number of deaths in a year for every 1000 people alive in the region
Crude birth rate
Number of live births in a year for every 1000 people alive in the region
Natural increase rate
Percentage by which a population grows in a year (excluding migration)
Infant mortality
Annual number of deaths of infants under 1 year of age
Life expectancy
The average number of years a gender is expected to live
Population pyramid
Bar graph that displays the percentage of a places population for each age and gender
Demographic transition model
shows changes in birth rates and death rates in countries over time
Overpopulation
an undesirable condition where the number of people on earth is greater than its carrying capacity
Population density
population Density (3 kinds- Arithmetic density, physiological density, agricultural density)
migration,
movement between two places
immigration,
movement into a country
emigration,
movement out of one country
internal migration,
Move across countries