Solution - Population - Population Attributes



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Represent diagrammatically three kinds of age-pyramids for human populations.


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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

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(a) Name the two growth models that represent population growth and draw the respective growth curves they represent.

(b) State the basics for the difference in the shape of these curves

(c) Which one of the curves represents the human population growth at present? Do you think such a curve is sustainable? Give reason in support of your answer.

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List the attributes that populations but not individuals possess.

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Construct an age pyramid which reflects a stable growth status of human population.

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If a population growing exponentially double in size in 3 years, what is the intrinsic rate of increase (r) of the population?

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Solution for concept: Population - Population Attributes. For the courses 12th CBSE (Arts), 12th CBSE (Commerce), 12th CBSE (Science)