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Why are there usually 4 or 5 trophic lev...

Why are there usually 4 or 5 trophic levels in the food chain ? Explain.

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PRADEEP-ECOSYSTEM-Analytical questions with answers
  1. Under what conditions would a particular stage in the process of succe...

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  2. State what does 'standing crop' of a trophic level represent.

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  3. Why is the rate of assimilation of energy at the herbivore level calle...

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  4. What are the following terms referred to as ? (i) Auroral animals (i...

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  5. What is the main source of nitrogen for the plants? How is nitrogen im...

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  6. Climax stage is achieved quickly in secondary succession as compared t...

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  7. "It is possible that a species may occupy more than one trophic level ...

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  8. Apart from being part of the food chain, predators play other importan...

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  9. Name the pioneer species on a bare rock. How do they help in establish...

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  10. What is an incomplete ecosystem? Explain with the help of suitable exa...

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  11. Why ecological succession will be faster in a r orest devastated by fi...

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  12. In the pictures provided, what is the relationship between (1) and (2)...

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  13. In a pyramid of biomass drawn below, name the two crops : (i) one wh...

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  14. When is the structure and composition of a community expected to remai...

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  15. Given below are two figures depicting pyramid of numbers and pyramid o...

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  16. Why are reducers or decomposers considered crucial and essential compo...

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  17. Why are there usually 4 or 5 trophic levels in the food chain ? Explai...

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  18. (a) How would you differentiate primary productivity from seondary pro...

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  19. Study the diagram carefully and fill in the blanks (a), (b),(c ) and (...

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  20. Dal lake of Kashmir is a good example of a 'Eutrophic lake'. Why? How ...

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