Advertisements
Advertisements
Question
Describe diagrammatic representation of age structure showing declining population.
Advertisements
Solution
a. The relative proportion of individuals of various age groups in the population is called
age structure of the population.
b. Age structure of a population is the percentage of individuals of different age groups such as young (0-14 years), adults (15-59 years) and old (60 years and above).
c. The distribution of these age groups determine the trend of population.

d. In declining population, number of post reproductive age group is large whereas the number of pre reproductive age group is small.
e. Thus, the age structure shows declining population.
APPEARS IN
RELATED QUESTIONS
Construct an age pyramid which reflects an expanding growth status of human population.
In sex ratio, Tamil Nadu ranks
In literacy rate, TN ranks
State any two districts with favourable sex ratio. Indicate the ratios.
Describe the qualitative aspects of population.
The type of population represented in the given age pyramid is ______.

What will be the birth rate per individual per hour of a population of 50 Paramoecium present in a pool. The population of Paramoecium increases to 150 within an hour.
A population is a group of all ____________ in a given time.
Changing nature of population is called ______

The above graph indicates ______ with relation to population.
