Question

Migratory birds fly to far away areas during a particular time of a year.which of the following conditions present in their habitats urging that time are re
rsponsible for this behaviour?
i-Unavailability of food.
ii.Extreme weather condition .
iii.Overcrowding.
iv.lack of nesting areas.
Thanks.

Answer 1

Answer:

1 &2

Explanation:

Migration of birds occurs due to extreme weather conditions and unavailability of food in their area so to escape from these conditions they move from one place to another.