____________ is an all embracing term which includes both migration and circulation.
Migration
Mobility
Voluntary
None of these
The structure or composition of a population is the product of the process of fertility,morality and ________.
Poverty
Immigration
HIV/AIDS prevents development and increases the impact of ___________.
Labour supply
Education
The factors affecting population change can be group into _____________ categories.
Two
Three
Four
Pyramids can be used to portray either absolute data or __________.
Population
Relative data
____________ is used to measure the pressure on productive population.
Current ratio
Dependency ratio
___________ is the number of people that will produce the highest per capital economic return given the resources available and their full utilization.
Over population
Under population
Optimum population
The ____________ measures the relationship between the number of working and retired people.
Support ratio
Quick ratio
____________ is a condition where an organism's numbers exceed the carrying capacity of its habitat.
____________ are those who contract AIDS are mainly in the economically active population.