Term
how many people live on the planet earth? |
|
Definition
|
|
Term
is not a matter of the total number of people on earth, but rather it depends on the relationship between the number of people and the availability of recources |
|
Definition
|
|
Term
a threat where an area's population exceeds the capticity of the environment to support it at an acceptable standard of the living |
|
Definition
|
|
Term
the places where humans are msot clustered up |
|
Definition
East Asia, South Asia, Southeast Asia, and Europe |
|
|
Term
the total number of people divided by total land area |
|
Definition
|
|
Term
geogrpahers rely on this to compare conditions in different countries because the two peices of information needed to calculate the measure are easy to obtain |
|
Definition
|
|
Term
divide the total population by the land area |
|
Definition
|
|
Term
land that is suited for agriculture |
|
Definition
|
|
Term
the number of people supported by a unit area arable land is called |
|
Definition
|
|
Term
the higher the physiological density the higher the |
|
Definition
pressure that people may place on the land to produce enough food |
|
|
Term
provides insights into the relationship between the size of a population and the availability of resources |
|
Definition
|
|
Term
the ratio of the number of farmers to the amount of arable land |
|
Definition
|
|
Term
measuring agricultural density helps account for economic differences |
|
Definition
|
|
Term
have lower agricultural densities because of the technology takes up space |
|
Definition
|
|
Term
to understand relationships between population and resources in a country, geographers examine a country's |
|
Definition
physiological and agricultural densities togeather |
|
|
Term
the percentage by which a population grows in a year |
|
Definition
natural increase rate (NIR) |
|
|
Term
how many people are being added to the population of the world annualy |
|
Definition
|
|
Term
the number of years needed to double a population assuming a constant rate of natural increase |
|
Definition
|
|
Term
how much will the global population be in the world by 2100 |
|
Definition
|
|
Term
where is 97 percent of lcustered at? |
|
Definition
|
|
Term
the total number of live births in a year for every 1,000 people alive in the society |
|
Definition
|
|
Term
hwo many babies are born for every 1,000 people? |
|
Definition
|
|
Term
the total number of deaths in a year for every 1,000 people alive in society |
|
Definition
|
|
Term
|
Definition
subtracting CDR from CBR, the convert the 2 measures from numbers per 1,000 to percentages |
|
|
Term
when the number of births exceeds the number of deaths by only a small margin what happens to population? |
|
Definition
|
|
Term
is the average number of children a woman will have throughout her chilbearing years |
|
Definition
total fertility rate (TFR) |
|
|
Term
the annual number of deaths of infants under 1 year of age for every 1,000 live births |
|
Definition
Infant mortality rate (IMR) |
|
|
Term
is usually expressed as the number of deaths among infants per 1,000 births rather than as a percentage |
|
Definition
Infant mortality rate (IMR) |
|
|
Term
where are the highest IMRs? |
|
Definition
poor countries like sub-saharan africa |
|
|
Term
where are the lowest rates? |
|
Definition
|
|
Term
measures the average number of years a newborn infant can expect to live, assuming current mortality levels |
|
Definition
|
|
Term
how old are msot of the people in developing countries? |
|
Definition
|
|
Term
the number of people who are too young or too old to work, compared to the number of people in their productive years |
|
Definition
|
|
Term
a bar graph that displays the percentage of a palce's population for each age and gender |
|
Definition
|
|
Term
a process with several stages and every country is in one of them |
|
Definition
|
|