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Give reasons: Equilibrium is necessary ...

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

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NAVNEET PUBLICATION-ENERGY FLOW IN AN ECOSYSTEM -EXERCISE
  1. Draw a concept diagram following bio-geochemical cycles: Nitrogen cyc...

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

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

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

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

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

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  7. Give reasons: Oxygen is necessary for life.

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

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

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

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  11. Write short note on Food Web

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  12. What is energy pyramid?

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

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

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

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

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  17. Use your brain power What will be the effect on an ecosystem if only ...

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  18. Use your brain power Why is balance or equilibrium necessary in a foo...

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  19. Use your brain power What happens to the energy during its transfer f...

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  20. Use your brain power What would happens if the energy remains trapped...

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