Available Answers

1. 1.

   Fill in the blanks.

   1. The study of the changing patterns of human population is called _______.
   2. A _____ is the official count of a nation's population.
   3. The movement of people into or out of a region is called ______.
   4. Areas with high population density have over _______ persons per sq km.
   5. The population pyramid is also called an ______ pyramid.
2. 2.

   Tick the sentences that are true. Correct the others.

   1. Regions with moderate climatic conditions are sparsely populated.
   2. The high population density of Macau is mainly due to it's high birth rate.
   3. The population density in Australia is among the lowest in the world.
   4. Overpopulation is caused by emigration.
   5. Underpopulated areas have low levels of pollution.
   6. Population pyramids show the different occupations of the people in a place.
3. 3.

   Migration does not change the overall size of the world's population. Give reasons.

4. 4.

   Slums are a feature of many major cities in the world. Give reasons.

5. 5.

   Infrastructure remains underdeveloped in underpopulated regions. Give reasons.

6. 6.

   The dependency ratio of a country is great importance to economists and government planners. Give reasons.