Unit 2 Population Part Review Flashcards
Anthropocene
The period in which human activities have had the dominant influence on the environment.
Demography
The statistical study of population and its change.
Eurasia
A massive piece of land on Earth that consists of Europe and Asia.
Metacity
A city with more than 20 million residents
Megacity
A city with more than 10 million residents
Developed (Industrialized country)
A country with an advanced economy and a high standard of living
Snow Belt
States located in the northern and Midwestern parts of the country
Sun Belt
States in the coastal areas and the South and Southwest
Mean center of population*
The balancing point given the distribution of population
Elevation
The distance above sea level
Population Density *
The average number of people per unit of land area
Arithmetic (crude) density
The average number of people per unit of land (usually per square mile or kilometer)
Physiological density
The average number of people per unit area (a square mile or kilometer or ARABLE land)
Arable land
Land suitable for cultivation
Agricultural density
The number of farmers per unit of arable land.
Carrying capacity
The number of people a particular environment or Earth as a whole can support on a sustainable basis.
Population composition
The makeup of the population by age and sex as well as by ethnic, racial, income, and educational background.
Age structure
Refers to the breakdown of a population into different age groups or cohorts.
Dependency ratio
The number of dependents in a population, that each 100 working-age people (ages 15-64) must support
Youth dependency ratio
The number of young dependents in a population (usually people younger than 15 years of age) that every 100 working-age people must support
Elderly dependency ratio
The number of elderly dependents in a population (usually people older than 64 years of age) that every 100 working-age people must support.
Generations
Groups of people who were born around the same time and share some common traits due to the cultural and societal influences they shared as they grew up.
Baby Boomers
People born from 1946 to 1964 during the post- World War 2 uptick in birth rate
Generation X
People born between 1965 and 1980 and are now in their prime working years.
Generation Y
People who were born between 1981 and 2000; often referred to as millennial
Generation Z
People born after the turn of the twenty-first century
Sex Ratio
The ratio of the number of men to number of women in a population
Androcentrism
A phenomenon in which a culture demonstrates a marked preference for males.
Infanticide
The practice of killing infants
Population pyramid
A very useful graphic device for comparing age and sex structure
