unit 2 vocab ap human Flashcards
agricultural density
number of farmers per unit of area land
arable land
the land capable of being farmed
arithmetic density
Total number of people divided by the total land area.
ecumene
inhabited land
physiological density
the number of people per arable land
population density
the number of people per square mile
carrying capacity
the number of people a region can support with damaging the enviornment
overpopulation
having more people than a region can support
remittances
The transfer of money by workers to people in the country in which they emigrated
population pyramid
a graphical illustration of the distribution of a population by age groups and sex
sex ratio
the number of males per 100 females
zero population growth
this occurs when the number of people who die and emigrate out of a country equals the number of people who are born or immigrate into a country.
crude birth rate
the number of live births per 1,000 people
crude death rate
is a measure of the number of deaths in a particular population, scaled to the size of that population, per unit of time.
demography
the study of statistics such as births, deaths, income, or the incidence of disease, which illustrate the changing structure of human populations.
doubling time
the amount of time it takes for the population of a region to double
fertility
the average number of children born to each woman in a given region during the course of her lifetime.
Infant mortality rate
the number of infant deaths for every 1,000 live births
medical revolution
Medical technology invented in Europe and North America that is diffused to the poorer countries of Latin America, Asia, and Africa.
mortality
the ability of an individual to die
natural increase rate
the birth rate minus the death rate of a particular population, over a particular time period.
total fertility rate
the total number of children that would be born to each woman if she were to live to the end of her child-bearing years