Unit 3 vocab Flashcards
the study of human populations and population trends
Demography
the number of individuals per unit area at a given time
Population Density
a visual representation of the number of individuals within specific age groups for a country, typically expressed for males and females
Age Structure Diagram
the number of births per 1,000 individuals per year
Crude Birth Rate
The number of deaths per 1,000 individuals per year
Crude Death Rate
the number of deaths of children under 1 year of age per 1,000 live births
Infant Mortality
an estimate of the average number of children that each woman in a population will bear throughout her childbearing years
Total Fertility Rate
a country moving from a subsistence economy to industrialization and increased affluence if it undergoes a predictable shift in population growth
Demographic Transition
growth pattern in which the individuals in a population reproduce rapidly because more births occur with each step in time, when graphed this produces a j-shaped curve
Exponential Growth
growth that is initially exponential, but slows as the population approaches the carrying capacity of the environment
Logistic Growth
Crude death rate subtracted from crude birth rate
Natural Increase
the movement organisms from one area to another area
Migration
the movement of people into a country or region, from another country or region
Immigration
the movement of people out of a country or region
Emigration
the actual decline in population due to less than replacement births or extensive diseases
Negative Population Growth