____________ is usually when a countries population has declined too much to support its current economic system.
Optimum population
Over population
Under population
None of these
HIV/AIDS prevents development and increases the impact of ___________.
Labour supply
Poverty
Education
____________ is a condition where an organism's numbers exceed the carrying capacity of its habitat.
_____________ are negative conditions at the point of origin which encourage or force people to move.
Pull factors
Push factors
Mobility
__________ are positive conditions at the point of destination which encourage people to migrate.
Population can be split into ___________ groups.
Two
Three
Four
____________ are those who contract AIDS are mainly in the economically active population.
Dependency ratio
The _____________ is the number of deaths per thousand population in a year.
Birth rate
Death rate
Immigration rate
Pyramids can be used to portray either absolute data or __________.
Population
Relative data
____________ is an all embracing term which includes both migration and circulation.
Migration
Voluntary