Answer:
Birds have remarkably specialized bones that are pneumatic, because they are full of air sacs that provide a continuous flow of breath throughout their bodies. In short, their lungs are essentially hooked up to their bones.
I think the best answer is:
<span>A. Tigers from adjoining populations will immigrate into the geographical area of this population.</span>
It means, "how do I get money" according to Google translate, hope this helps :)
Why do u keep making this question?