Ch.9 key terms Flashcards
Democracy
Is the study of population
Age structure
The distribution of ages and I specific population at a certain time
Survivorship
Is the percentage of the members of a group that are likely to survive in any given age
Fertility rate
The average number of children a woman gives birth to in her lifetime
Migration
The movement of individuals form one area to another
Life expectancy
The movement of individuals from one area to another
Demographic transition
Is a model that describes her economic and social changes affect population growth rate
Infrastructure
Is the basic faculties in service to support a community such as a public water supplies sewer lines power plants roads schools and hospitals
Arable land
Land that can be used to grow crops
Urbanization
The movement of people from rural areas to cities.
Least developed countries
Countries show few signs of development and in some cases have increasing death rates while birth rates remain high