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What does S-Shaped pattern of population...

What does S-Shaped pattern of population growth represent? How is J-shaped pattern different from it and why?

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(a) S shaped growth represents a kind of growth when responses are limiting the growth.
Resources for growth for most animal populations are finite and become limiting.
The logistic growth model is a more realistic one.
(b) J shaped pattern represents a kind of growth when the resources are not limiting, whereas the S shaped curve represents when resources are limiting the growth.
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[A]: Growth curve is the graphic representa- tion of the total growth against time. [R]: Population growth curves are of two types-J shaped and S shaped

OSWAAL PUBLICATION-ORGANISMS AND POPUIATIONS-TOPIC :2 Short Answer Type Questions-I
  1. Mention any two attributes that as individual organism does not have b...

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  2. List the methods used to estimate population size.

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  3. In a pond there are 20 lotus plants last year and through reproduction...

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  4. Give the diagrammatic representation of an expanding age pyramid.

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  5. Give the diagrammatic representation of a stable age pyramid.

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  6. Give the diagrammatic representation of a declining age pyramid.

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  7. What are the observations one can make from the study of population?

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  8. Mention the four basic processes,· because of which density of a popul...

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  9. Give the 'r" value (intrinsic rate of natural increase) value for Huma...

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  10. Mention the characteristic of exponential growth.

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  11. If in a population of size N, the birth rates represented as b and dea...

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  12. Explain the characteristic features of a population showing logistic g...

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  13. Explain Connell's experiment.

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  14. What is 'resource partitioning'?

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  15. Predators also help in maintaining species diversity in a community, b...

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  16. How monarch butterfly survives from its predator?

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  17. Why do clown fish and sea anemone pair up? What is this relationship c...

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  18. Why herbivores are considered similar to predators in the ecological c...

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  19. How do the increase and the decrease in the value of 'r' affect the po...

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  20. What does S-Shaped pattern of population growth represent? How is J-sh...

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