. In India, the Bharatpur bird sanctuary in Rajasthan acts as a home to thousands of migratory birds. The birds come here to

(a)          breed.                                 

(b)          Complete part of their life cycle.

(c)          overcome the food stress.              

(d)          overcome the temperature stress. 

Best Answer

(d) to overcome the temperature stress

When the temperature is hostile (very low or very high), organisms, which cannot regulate their body temperature, migrate from that area to a more comfortable area. This is known as migration. The migratory animals often migrate from thousands of kilometers to overcome the temperature stress.

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