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प्रश्न
What is an age-pyramid?
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उत्तर
An age pyramid is a graphical representation of the distribution of various age groups within a population of a region forming the shape of a pyramid when the population is growing.
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संबंधित प्रश्न
Construct an age pyramid which reflects a stable growth status of human population.
Study the graph given below and answer the questions that follow :
(i) Write the status of food and space in the curves (a) and (b).
(ii) In the absence of predators, which one of the two curves would appropriately depict the prey population?
(iii) Time has been shown on X-axis and there is a parallel dotted line above it. Give the significance of this dotted line
Represent diagrammatically three kinds of age-pyramids for human populations.
Define the carrying capacity.
Answer the following question.
"The size of a population for any species is not a static parameter." Justify the statement with specific reference to fluctuations in the population density of a region in a given period of time.
Measures of ‘Central tendency’ refer to:
The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:
Bacteria
What type of population growth is represented by the above age pyramid?
List any four characters that are employed in human population census.
With the help of neatly labelled diagrams, explain the different types of age pyramids of human population.
