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प्रश्न
What is an age-pyramid?
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
Represent diagrammatically three kinds of age-pyramids for human populations.
Define population
What is reproductive fitness? Explain it with the help of an example.
The phenomenal and rapid increase of population in a short period is called ______.
`"dN"/"dt" = "rN" (("K"- "N")/"K")` in logistic growth "K" represents:
The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:
Banyan
Label the three tiers 1, 2, 3 given in the above age pyramid.
The following diagrams are the age pyramids of different populations. Comment on the status of these populations.
Write the best method to measure the population density of a single Banyan tree in comparison to Partlzenium weeds in a forest by an ecologist. Explain and justify your answer.
With the help of neatly labelled diagrams, explain the different types of age pyramids of human population.
