(a) What is an age-pyramid?
(b) Name three representative kinds of age-pyramids for human population and list the characteristics for each one of them.
OR
Discuss the role of healthy ecosystem services as a pre-requisite for a wide range of economic, environmental and aesthetic goods and services.
CBSE Class XII Biology Question Paper 2017
Answers
Answered by
3
a. age pyramid or age picture is a graphical illustration that shows the distribution of various age groups in a population, which forms the shape of a pyramid when the population is growing
Answered by
1
the age pyramid is a graphical representation of the each of different group of individuals and number of individual belonging to each of the age group.
Explanation:
- the age pyramid is an essential indicator in denoting the population growth that is expected in the upcoming time in a particular area.
- When the age pyramid is upright it means that measurity of the population belongs to the young generation and as a result of this it signifies that the population of the region will increase in the recent years.
- However if the pyramid is inverted then the population will slowly decrease.
To know more about age pyramid,
What do you mean by age pyramid? Brainly.in
https://brainly.in/question/6388659
Similar questions