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AP ENVIRO Flashcards

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5707997386age structurePercentage of the population (or number of people of each sex) at each age level in a population.0
5708001363baby boomA cohort of individuals born in the United States between 1946 and 1964, which was just after World War II in a time of relative peace and prosperity. These conditions allowed for better education and job opportunities, encouraging high rates of both marriage and fertility.1
5708005424birth ratethe number of births in a population in a certain amount of time2
5708008399crude birth rateThe number of live births per year per 1,000 people.3
5708011723crude death rateThe number of deaths per year per 1,000 people.4
5708026807cultural carrying capacityThe limit on population growth that would allow most people in an area or the world to live in reasonable comfort and freedom without impairing the ability of the planet to sustain future generations.5
5708041607death rateThe number of deaths in a population in a certain amount of time6
5708046231demographic transitionrelationship between population growth and economic development; traces the changing levels of human fertility and mortality associated with industrialization and urbanization7
5708066309demographic trapA situation in which a country's population growth rate is so high that the country is not able to develop economically and socially8
5708076370environmental refugeesA person who has been displaced by rising seas, destructive storms, expanding deserts, water shortages, or high levels of toxic pollutants.9
5708081324family planningProviding information, clinical services, and contraceptives to help people choose the number and spacing of children they want to have.10
5708088694fertility rateThe average number of children born to a woman during her lifetime in a population11
5708095364gender imbalanceUnequal number of men and women in a place.12
5708101373graying of americathe aging of the American population, or increase of the proportion of elderly citizens, caused by a declining birth rate and increased life expectancy. Caused an increase in costliness of Social Security pensions, rapid increase in health costs, and meant the elderly would be politically formidable.13
5708108921infant mortality rateThe percentage of children who die before their first birthday within a particular area or country.14
5708117183life expectancyA figure indicating how long, on average, a person may be expected to live15
5708120549migrationForm of relocation diffusion involving permanent move to a new location.16
5708127259optimum sustainable populationMaximum population that can be sustained indefinitely without harming the species or ecosystem [E, CM]17
5708133086population changeIncrease or decrease in the size of a population. It is equal to (Births + Immigration) - (Deaths + Emigration).18
5708140702post-reproductivenon longer reproducing19
5708146060pre-reproductiveindividuals not capable of reproducing. (Pre-pubescent) 0-1420
5708150247reproductiveA factor that is necessary for the formation of a new species is21
5708231760replacement-level fertility rateaverage # of children a couple must bear to replace themselves in the population22
5708240754total fertility rate (TFR)The number of children who would be born per woman (or per 1,000 women) if she/they were to pass through the childbearing years bearing children according to a current schedule of age-specific fertility rates.23
5708260165urbanizationAn increase in the percentage and in the number of people living in urban settlements.24
5708367597pre-industrial societyName the stage 1 of the Demographic Transition Model and explain the data presented25

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