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प्रश्न
Define ‘zero population growth rate’. Draw a age pyramid for the same.
उत्तर
When the population of a location neither grows nor declines, this shows zero population growth rate. The following pyramid shows a population with zero growth rate.
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Representation of age pyramids for human population
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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
If a population growing exponentially double in size in 3 years, what is the intrinsic rate of increase (r) of the population?
What is an age-pyramid?
Answer the following question.
What is "population" according to you as a biology student?
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.
Animals that can move from fresh water to sea called as ________.
What type of population growth is represented by the above age pyramid?
Identify the type of pyramid given above. Write the identifying feature on the basis of which you identified it.
Important attributes belonging to a population but not to an individual are:
- Birth rate and death rate
- Male and female
- Birth and death
- Sex-ratio
Select the correct option from the given options:
