Please choose the correct answer to the question: Acid rain caused by industrial pollution greatly reduces the number of trees in a forested region that is home to a particular species of bird. How might this decrease in the number of trees most likely affect this bird population?

Answer1: The population will adapt to ground dwelling. Answer2: The population will decrease due to lack of resources. Answer3: The population will stabilize when it moves to another region. Answer4: The population will increase as predators move out of the region.

Answer format: answer1/answer2/answer3/answer4