I just took a test in school today. What question was I asked?

Question I was asked: Scientists found fish fossils in the desert. What do the fossils tell about this environment when the fish were alive?

I just took a test in school today. What question was I asked?

Question I was asked: Which scientist studied biology by traveling by ship to different islands observing animal life, and developed a hypothesis about how species change?

I just took a test in school today. What question was I asked?

Question I was asked:
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?