Unit 2 test Flashcards
net migration
the difference between the number of immagrants and emmigrants
migration transition
change in the migration pattern in a society that results from industrialization population growth and other social and economic changes
infant mortality rate
annual # of children that die before their first birthday
dependency ratio
the number of people who are to young or too old to work
ecumene
The proportion of the earth inhabitated by humans
arythmetic density
total density of people divided by total land area
physiological density
total population divided by arable land area
agricultural density
total number of farmers divided by arable land
carrying capacity
the largest population that an environment can support at any given time
crude birth rate
the annual number of births per 1000 people
crude death rate
the number of deaths yearly per 1000 people in a population
natural increase rate
the growth rate of a population;t he difference between birth rate and death rate
total fertility rate
average number of children a woman is expected to have in their child bearing years
population pyramid
Diagram showing the breakdown of population by age and gender
sex ratio
the ratio of males and females in a population
demographic transition
change in a population from high birth and death rates to low birth and death rates
epidemiologic transition
distinct causes of death in each stage of the demographic transition
internally displaced person
someone who is forced to flee their home but stays within the borders
asylum seeker
someone who has migrated in hopes of being recognized as a refugee
intervening obstacles
An environmental or cultural feature of the landscape that hinders migration
intervening oppurtunities
a good opportunity found closer than another similar opportunity
remittance
transfers of money/goods by foreign workers to their home country
chain migration
The process by which immigrants follow other immigrants to a particular place.
brain drain
The loss of highly educated and skilled workers to other countris
