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Migratory birds fly to far away places b...

Migratory birds fly to far away places because of ____ _ changes.

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Migratory birds fly to far away areas during a particular time of a year. Which of the following conditions present in their habitat during that time are responsible for this behaviour? (i) Unavailability of food. (ii) Extreme weather conditions. (iii) Over crowding. iv) Lack of nesting areas.

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LAKHMIR SINGH & MANJIT KAUR-CONSERVATION OF PLANTS AND ANIMALS-EXERCISE
  1. Fill in the following blanks with suitable words : d) Satpura Nation...

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  2. Fill in the following blanks with suitable words : e) Red Data Book ...

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  3. Migratory birds fly to far away places because of changes.

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  4. Fill in the following blanks with suitable words : g) In reforestati...

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  5. Fill in the following blanks with suitable words : Paper can be recy...

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  6. What is meant by deforestation ? What are the causes of deforestation ...

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  7. What are the consequences of deforestation ?

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  8. What is desertification ? Name one human activity which may lead to de...

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  9. Explain how, deforestation makes the soil infertile leading to deserti...

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  10. What is global warming ? Name the gas which is responsible for causing...

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  11. How does deforestation reduce rainfall on the one hand and lead to flo...

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  12. Define biosphere.

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  13. Define biodiversity.

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  14. Define ecosystem.

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  15. What will happen if the natural habitat of a wild animal is destroyed ...

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  16. What is the purpose of establishing several Biosphere Reserve, Wildlif...

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  17. State the role of Biosphere Reserves.

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  18. What is meant by the 'flora' and 'fauna' of an area ? Give two example...

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  19. Which of the following belong to 'fauna' and which belong to 'flora' o...

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  20. What is the difference between 'flora' and 'fauna' ?

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