Migratory birds fly to far away areas during

Question:

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.

(a) (ii) and (iii)

(b) (i) and (ii)

(c) (i) and (iv)

(d) (ii) and (iv)

Solution:

(d) The process of a bird moving from one place to another due to the climatic changes is called migration. It is an adaptation to escape extreme

weather conditions and lack of nesting areas.

They fly for laying eggs as the weather in their natural habitat becomes very inhospitable.

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