ap human geo unit 2 Flashcards
What is over population
when there are too many people to be supported to a good standard of living by the resources of a region or country
what is carrying capacity
the maximum number of people who can be realistically sustained by the geography of that area.
what is ecumene
land that is permanently populated by human society
what is arithmetic density
the total number of people divided by the total land area.
what is physiological density
the number of people per unit area of arable land
what is arable land
any land capable of being ploughed and used to grow crops.
what is life except
he average age to which a person can be expected to live
what is cbr
dictates the number of live births occurring during a year per every 1,000 people in a given population in a given year.
what is cdr
the number of deaths occurring during the year, per 1,000 population estimated at midyear
what is doubleing time
the projected amount of time that it will take for a given population to double.
what is nir
a statistic used to measure the growth of population in a region, exclusive of immigration and emigration
what is infant mortailty rate
measures how many babies, per thousand births, die before their first birthday
population pyramid
show the age and sex demographics of a particular country, city, or neighborhood.
what is epidemic transition
changing patterns of population distributions in relation to changing patterns of mortality, fertility, life expectancy, and leading causes of death
what is epidemiology
the study of Deassises
