vocabulary
number of births that occur in a period of time in a given area?
what is birth rate
growth in which numbers increase by a certain factor in each successive time period?
what is Exponential growth?
a diagrams that shows the distribution of ages in a specific population at a certain time?
what is Age structure
what are the four properties that scientists use to predict population sizes?
what is birth, death, immigration, and emigration
the number of deaths occurring in a period of time?
what is Death rate?
study of statistics such as births, deaths, income, or the incidence of disease?
what is Demography
Age structure can be graphed in a?
what is population pyramid
the four stages of demographic transition?
what is pre-industrial, urbanizing/industrializing, mature industrial, and post-industrial
the classification of members of a population into groups according to age?
what is Age structure?
the average length of time that an individual is expected to live?
what is Life Expectancy
the movement of individuals from one area to another?
What is migration
why do different countries may be at different stages of demographic transition?
fast social and economic change and external influences.
the pyramid represents the breakdown of the population by gender and age at a given point in time?
what is Population pyramid
the death of an infant before his or her first birthday.?
what is Infant mortality
the movement into an area?
what is Immigration?
what is the appropriate survivorship curve for a population?
what is Type I survivorship
the general pattern of demographic change from high birth and death rates to low birth and death rates?
what is Demographic transition
the percentage of newborn individuals in a population that can be expected to survive to a given age?
What is Survivorship curves
the movement out of an area?
what is Emigration
predictions about population trends based on age structure?
depends on trends in mortality, fertility, and migration.