End of year 9 exams 4

Question 1

Birth rate

Answer 1

Number of births per thousand people per year.

Question 2

death rate

Answer 2

Number of deaths per thousand people per year.

Question 3

what is the Demographic Transition
Model

Answer 3

A theory of population change over time. Seeks to explain
population increases and decreases through variations in the birth
rate and death rate.

Question 4

Infant mortality

Answer 4

The number of deaths of infants below one year of age as a
proportion of every thousand live births in that population in that
year

Question 4

Migration

Answer 4

The movement of people either within a country or between
countries, lasting longer than one year. Generally classified by
motivating reason:
forced e.g. poverty, war, famine.
voluntary e.g. looking for better work, education

Question 4

what is a Population Structure

Answer 4

The ratio of age groups, by sex, within a population.

Question 5

what is lees model

Answer 5

a model that accounts for push/pull factors, intervening obstacles, in
order to project migratory patterns.