Some birds travel as much as 15000 km to avoid the extreme climatic conditions to the same places every year. What are the probable reasons to travel to the same places every year? Give an example of a living organism which shows this phenomenon. How is it different from adaptation? [5 MARKS]
Some birds travel as much as 15000 km to avoid the extreme climatic conditions to the same places every year. What are the probable reasons to travel to the same places every year? Give an example of a living organism which shows this phenomenon. How is it different from adaptation? [5 MARKS]
Each point: 1 Mark
1. The regular seasonal journey undertaken by many species of animals and birds to escape the harsh and cold conditions of weather is known as migration.
2. Many animals, birds and fish migrate to warmer regions in winter and come back when winter is over.
3. Migration is marked by its annual seasonality.
4. For example, the Siberian crane migrates to places like Bharatpur in Rajasthan and Sultanpur in Haryana.
5. The tendency of an animal to develop special features which improve the chances of its survival in the surroundings where it lives is called adaptation.
Each point: 1 Mark
1. The regular seasonal journey undertaken by many species of animals and birds to escape the harsh and cold conditions of weather is known as migration.
2. Many animals, birds and fish migrate to warmer regions in winter and come back when winter is over.
3. Migration is marked by its annual seasonality.
4. For example, the Siberian crane migrates to places like Bharatpur in Rajasthan and Sultanpur in Haryana.
5. The tendency of an animal to develop special features which improve the chances of its survival in the surroundings where it lives is called adaptation.
