Question

Look at the graph in thr Fig carefully. Answer the following questions:

1. What do the blue and the black lines show?
2. What does the green part in the graph show?
3. What does the blue part in the graph show?
4. In which stages is the birth rate more than the death rate?
5. In which stages is the birth rate same as the death rate?
6. In which stage is the death rate more than birth rate?

Answer 1

1. The blue line shows the birth rate and the black line shows the death rate.
2. The green shaded part shows natural increase in population, where the birth rate is higher than the death rate.
3. The blue shaded part shows natural decrease in population, where the death rate becomes higher than the birth rate.
4. The birth rate is more than the death rate in Stages 2, 3 and 4.
5. The birth rate and death rate are nearly the same in Stage 1.
6. The death rate is more than the birth rate in Stage 5.