Migratory birds fly to far away during particular time of 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 area . a) ii and iii b)i and ii c) i and iv d)ii and iv

Migratory birds fly to far away during particular time of 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 area . a) ii and iii b)i and ii c) i and iv d)ii and iv
by

1 Answer

Answer :

d)ii and iv
by

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