Q 3. What features of a birds body help it in locomotion?
Kindly refer the answer of the first part given in the following link:-
https://www.meritnation.com/ask-answer/question/of-the-following-animals-that-help-in-movement-bird-fi/body-movements/6986056
https://www.meritnation.com/ask-answer/question/of-the-following-animals-that-help-in-movement-bird-fi/body-movements/6986056