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Population (Demographic Transition (Pre-Industrial (Living conditions are…
Population
Demographic Transition
Transitional
Standards of hygiene, medical care, cleaner water supply, vaccinations, and better education start to drive down death rate
Birth rate is still high, leading to a rapid increase in population size
Industrial
Advancements in education and medicine make birth rates decline. Parents are more actively discouraged from having multiple children.
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Pre-Industrial
Living conditions are severe, medical care is bad, food supply limited
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Post-Industrial
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Birth rate equals mortality rate, and in some countries even falls below mortality rate. This results in net losses in population, or, if the two are equal, zero population growth.
Population Growth
Overpopulation
Urban Sprawl
The expansion of a population within an urban area to outside, and surrounding land in order to have enough room to support and sustain the population. This often occurs when overpopulation happens within an urban setting.
Fertility Rate
Carrying Capacity
The number of individuals in a population or community that an ecosystem can successfully, efficiently, and readily sustain given the number of resources available within the environment.
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