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प्रश्न
The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:
Deer
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उत्तर
Deer - Nos. / area
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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
How does an age pyramid for human population at given point of time helps the policy-makers in planning for future.
If a population growing exponentially double in size in 3 years, what is the intrinsic rate of increase (r) of the population?
Define the carrying capacity.
Give an account of population regulation.
Population having large number of postreproductive and small number of prereproductive age group is called
Age distribution in a population can influence
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
The density of a population in a habitat per unit area is measured in different units. Write the unit of measurement against the following:
Fish
Label the three tiers 1, 2, 3 given in the above age pyramid.
Draw an age pyramid for the ‘zero population growth rate’.
List any four characters that are employed in human population census.
The following diagrams are the age pyramids of different populations. Comment on the status of these populations.
Given below is the Age Pyramid of the population in one of the states in India as per 2011 census. It depicts the male population on the left-hand side, female population on the right-hand side, newborns towards the base and gradually increasing age groups as we move from base to the top, with the oldest population at the top. Study this pyramid and comment upon the appropriateness of the Assertion and the Reason.
Percentage to the total population
Assertion: It is a stable population.
Reason: The pre-reproductive and reproductive individuals are almost in equal numbers and the post-reproductive individuals are relatively fewer.
What would be the best method to measure the total population density of a dense bacterial culture in a petridish and why?
With the help of neatly labelled diagrams, explain the different types of age pyramids of human population.
