Question
Why do birds migrate in winters? Give an example of a migratory bird. How is it different from adaptation? [5 MARKS]
Answer:
:
Reason: 2Marks
Example: 1Mark
Difference from adaptation : 2Mark
The regular seasonal journey undertaken by many species of animals and birds to escape theharsh and cold conditions of weather is known as migration. Many animals, birds and fishmigrate to warmer regions in winter and come back when winter is over. Migration is markedby its annual seasonality.
For example, the Siberian crane migrates toplaces like Bharatpur in Rajasthan and Sultanpur in Haryana.
The tendency of an animal to develop special features which improvethe chances of its survivalin thesurroundings where it lives is called adaptation, whereas migration is the movement of animals and birds once in a year to a different location for survival.
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:
Reason: 2Marks
Example: 1Mark
Difference from adaptation : 2Mark
The regular seasonal journey undertaken by many species of animals and birds to escape theharsh and cold conditions of weather is known as migration. Many animals, birds and fishmigrate to warmer regions in winter and come back when winter is over. Migration is markedby its annual seasonality.
For example, the Siberian crane migrates toplaces like Bharatpur in Rajasthan and Sultanpur in Haryana.
The tendency of an animal to develop special features which improvethe chances of its survivalin thesurroundings where it lives is called adaptation, whereas migration is the movement of animals and birds once in a year to a different location for survival.
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