What is a population pyramid?
7 Likes
A population pyramid is a graphical representation which shows the distribution of females and males in different age group, at a place. It is also known as age-sex pyramid. It is useful to understand the composition of population of any country.
Answered By
4 Likes
Define birth rate and death rate.
What will happen if the death rate in a year is less than the birth rate?
What does a population pyramid with broad base tell us about the birth and death rates?
Mention two causes for the imbalance in sex ratio.