if birds are spreading a disease to the trees that kills them off then that would lead to birds having less places for shelter, since that's the main thing they use trees for, unless were talking specifically about fruit and nut producing trees, then it would not only be lost of nesting sites, but it would also eventually be a loss of a food source as well.
I am confident that the answer should be.....<span>A protein acts as a pump and moves calcium ions from an area of low concentration to an area of high concentration.
