AP Huge Cumulative final review Flashcards
(581 cards)
age distribution
(population pyramid) two back-to-back bar graphs, one showing the number of males and one showing the number of females in a particular population in five-year cohorts. This is important because you can tell from the age distribution important characteristics of a country, high guest worker population, war, epidemics, and more
carrying capacity
the population level that can be supported, given the quantity of food, habitat, water, and other life infrastructure present. This is important because it tells how many people an area can support
cohort
a population of various consecutive ages in an age-sex population pyramid. This is important because this can tell whether the country is in stage 3 or stage 5 in the demographic transition model
demographic equation
the formula that calculates population change. The formula finds the increase/decrease in a population. The formuls is found by doign births minus deaths plus/minus net migration. This is important because it helps to deterime which stage in the demographic transitoin model a country is in
demographic momentum
the tendency for growing population to continue growing after a feritlity decline because of their youth age distribution. This is important because once this happens a country moves to a different stage in the demographic transitoin model
demographic regions
an area of land with a population in concurring stages of the demographic transition model. This is important because it shows how different parts of the world are in different stages of the demographic transition
demographic transition model
made of 5 stages. Stage 1 is low growth. Stage 2 is high growth. Stage 3 is moderate/declining growth. Stage 4 is low growth. Stage 5 is not an official stage, but it includes zero or negative population growth. This is important because this is the way our country and other countries around the world are transformed from a less developed to a more developed country
dependency ratio
the number of people who are too young or too old to work compared to the number of people in ther productive years. This is important because this tells how many people each worker supports. For example, the larger population of dependents, the greater the financial burden on those who are working to support those who cannot
diffusion of fertility control
the average number of children a mother is having in a particular area. This helps to see where countries are growing rapidly and where countries are leveling off
dependency ratio
the number of people who are too young or too old to work compared to the number of people in ther productive years. This is important because this tells how many people each worker supports. For example, the larger population of dependents, the greater the financial burden on those who are working to support those who cannot
doubling time
the number of years needed to double a population, assuming a constant rate of natural increase. This is important for projecting the countries future population
ecumene
the portion of Earth’s surface occupied by permanent human settlement. This is important because it tells how much land is taken and how much is open for growth
epidemiological transition model
the part of the demographic transition model concerned with the death rate and its changes/reasons for changing. This is important because it can explain how a country’s population changes so dramatically
gendered space
any area where the sexes are spatially separated
gendered space
any area where the sexes are spatially separated
j-curve
the population projection according to exponential growth (named for its shape). This is important because if a population grows exponentially, the resource use and resource/food demands will grow exponentially as well
maladaptation
an adaptation that has become less helpful than before, but not harmful
Malthus, Thomas
one of the first to argue that the world’s rate of population increase was far outrunning the development of food for the population. THis is important because he brought up the point that we may be outrunningn our carrying capacity in terms of food production because of our exponential population
mortality
two ways of measurement: infant mortality and life expectancy. The IMR reflects a country’s health care system and life expectancy measures the average number of years a baby can expect to live. This is important because a country’s mortality rates can be applied to determine other features of the country
natality
(CBR) the ratio of live births in an area to the population of that area; expressed as the number of births in a year per 1000 people alive. This is important because for the number of babies a country pops out and how fast they can grow.
neo-Malthuism
a theory tht builds upon Malthus’ thoughts of overpopulation, but takes into account increases of LDCs’ population growth and outstripping of resouces other than food
overpopulation
the state of a population, such as the entire Earth, when it exceeds the carrying capacity
population densities
the frequencies with which a population occupies its space
arithmetic density
total number of objects in a given area