Ch. 9 Key Terms Flashcards
1
Q
demography
A
the study of populations
2
Q
age structure
A
the distribution of ages in a specific population
3
Q
survivorship
A
the percentage of members in a group that are likely to survive to any given age
4
Q
fertility rate
A
the average number of children a women gives birth to in her lifetime
5
Q
migration
A
the movement of individuals from one place to another
6
Q
life expectancy
A
the average number of years members of a population are likely to live
7
Q
demographic transition
A
a model that describes how economic and social changes effect population growth
8
Q
arable land
A
land that can be used to grow crops
9
Q
urbanization
A
the movement of people from rural areas to cities
10
Q
least developed countries
A
show few signs of development
