Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
4 regions of population concentration
|
east asia - china
southeast asia - indonesia south asia - india europe |
|
ecumene
|
the portion of earth's surface occupied by human settlement
|
|
areas where people don't want to live
|
dry
wet cold high |
|
arithmetic density
|
number of people divided by land area
|
|
physiological density
|
number of people supported by an area of arable land
|
|
agricultural density
|
number of farmers to the amount of arable land
|
|
cbr
|
total number of live births in a year for every 1000 people alive in a society.
|
|
cdr
|
total number of deaths in a yeard for every 1000 people alive in a society
|
|
nir
|
the percentage by which a population grows in a year. cbr-cdr
|
|
doubling time
|
number of years needed to double a population assuming a constant rate of natural increase
|
|
tfr
|
average number of children a woman will have throughout her childbearing years
|
|
imr
|
the annual number of deaths of infants under one year of age compared with the live births
|
|
life expectancy
|
the average number of years a newborn infant can expect to live at current mortality levels
|
|
what was pop. like the first 1000 yrs of mankind
|
didn't change
|
|
what events provided an increase in pop.?
|
the medicine ..
and the industrial rev 1800s |