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What is a tree line?...

What is a tree line?

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When we go up the altitude, beyond a particular height no trees are found and the vegetation comprises only of shrubs and herbs. The altitude beyond which no tree is seen is known as tree line.
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OSWAAL PUBLICATION-ORGANISMS AND POPUIATIONS-TOPIC :2 Short Answer Type Questions-I
  1. What is brood parasitism? Explain with the help of an example.

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  2. What is a tree line?

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  3. Is it Possible to achieve 'zero population growth rate? If yes, what k...

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  4. Mention any two attributes that as individual organism does not have b...

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  5. List the methods used to estimate population size.

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

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

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

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

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

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

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

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  13. Mention the characteristic of exponential growth.

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

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

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  16. Explain Connell's experiment.

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  17. What is 'resource partitioning'?

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

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  19. How monarch butterfly survives from its predator?

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

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