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What is number pyramid ? What does it in...

What is number pyramid ? What does it indicate ?

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VGS PUBLICATION-BRILLIANT-OUR ENVIRONMENT-EXERCISE
  1. What are decomposers and what is the importance of the in the ecosyste...

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  2. List out some human activities which altered the communities of plants...

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  3. What is number pyramid ? What does it indicate ?

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  4. Many pollutantts are released into water from an industrial area. If r...

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  5. What is an ecological pyramid?

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  6. What is ecological diversity ? Mention the different types of ecologic...

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  7. What determines the terrestrial ecosystem ?

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  8. Write a short note on food chain and food web.

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  9. Which pyramid is always upright ? Why?

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  10. Why anti sparrow army established in 1958 at china?

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  11. How did antisparrow army eradicated sparrows? Is it right decision?

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  12. Were the sparrows really responsible? What was the reason for the fall...

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  13. Explain in brief about the alternate methods to be followed to prevent...

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  14. Microbes can be used to decrease the use of chemical fertilisers and p...

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  15. In a grassland ecosystem, some students are trying to kill the grassho...

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  16. Write what friendly ecosystem activities you will conduct in you scho...

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  17. If we introduce a man into a forest ecosystem, at which level of food ...

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  18. "All the energy in the ecosystem in ultimately derived from sunlight."...

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  19. How sparrows are really helpful to farmers in china?

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  20. Complete the blanks. The entering of pollutants in a food chain is c...

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