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Draw a concept diagram following bio-geo...

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

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NAVNEET PUBLICATION-ENERGY FLOW IN AN ECOSYSTEM -EXERCISE
  1. Draw neat labelled diagram Flow of energy through trophic levels.

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  2. Complete the food chain

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

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

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

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

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

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

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

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

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  11. Give reasons: Oxygen is necessary for life.

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

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  13. Give reasons: Plants in an ecosystem are called producers.

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  14. Give reasons: Decomposers are crucial biotic factors in an ecosystem.

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  15. Write short note on Food Web

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  16. What is energy pyramid?

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  17. Describe in brief the bio-chemical cycles in nature. Carbon cycles.

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  18. Describe in brief the bio-chemical cycles in nature. Oxygen cycle.

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  19. Describe in brief the bio-chemical cycles in nature. Nitrogen cycle.

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  20. Write whether the following statements are true or false, if false cor...

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