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Answer the following question: Why are ...

Answer the following question:
Why are food chains rarely simple?

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NAVNEET PUBLICATION-ENERGY FLOW IN AN ECOSYSTEM -EXERCISE
  1. Answer the following question: What is meant by nitrogen fixation?

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  2. Answer the following question: Which microbes bring about the process...

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  3. Answer the following question: Why are food chains rarely simple?

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  4. Answer the following question: Why are food chains often of complex n...

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  5. Answer the following question: What would you do to help maintain the...

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  6. Draw neat labelled diagram of Food chain.

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  7. Draw neat labelled diagram of Trophic levels.

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  8. Draw neat labelled diagram Energy pyramid in aquatic ecosystem.

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  9. Draw neat labelled diagram Flow of energy through trophic levels.

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  10. Complete the food chain

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  11. Draw a concept diagram following bio-geochemical cycles: Carbon cycle

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  12. Draw a concept diagram following bio-geochemical cycles: oxygen cycle

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  13. Draw a concept diagram following bio-geochemical cycles: Nitrogen cyc...

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  14. Give reasons: Energy flow through an ecosystem is 'one way'

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  15. Give reasons: Equilibrium is necessary in the various bio-geochemical...

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  16. Give reasons: The flow of nutrients through an ecosystem is cyclic.

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  17. Give reasons: Through the atmosphere contains 78% of molecular nitrog...

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  18. Give reasons: Denitrification reduces the fertility of the soil.

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  19. Give reasons: Oxygen is necessary for life.

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  20. Give reasons: Oxygen cycle can not operate in nature in the absence o...

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