Populations (Chpt 5)

Question 1

Describing Populations?

Answer 1

1. Geographic range
   –area inhabited by a population
2. Population dens/distribution
   –# of individuals per unit area
3. Growth rate
   –determines whether size increases, decreases or stays same;
   –exponential & logistical growth
4. Age structure
   –# of males & females of each age in a population

Question 2

Immigration vs Emigration?

Answer 2

• immigration: individuals move in from elsewhere –population grows
• emigration: individuals leave from population range –population decreases

Question 3

Def of Demography?

Answer 3

• the statistical study of human populations
  –studies growth rates, density, age structure to determine its change over time