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प्रश्न
Describe diagrammatic representation of age structure showing declining population.
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उत्तर
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.
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संबंधित प्रश्न
Define the term natality.
Distinguish between Natality and Mortality.
Describe the qualitative aspects of population.
The number of individuals of population who left the habitat during the time period under consideration is known as ______.
Which of the following is INCORRECT?
What will be the net increase in the population if the average natality was 250, average morta1ity 240, immigration 20 and emigration 30?
Mortality of a region is assessed by ____________ of individuals per unit area per unit time.
From the given diagram, identify the type of population growth curve:
The type of natality that is relative to a specific criterion such as age is ______.
Explain the term Emigration.
