3. The birds shown below live on a single island. (7.L.15.2)
3. These 4 bird species are closely related, and all of them
share a common ancestor with a single species. What
environmental factor is most likely to have caused 4
distinct species to come about?
Name a type of evidence that scientists might use to show
that these birds are related, and evolved from a single
species over 1 million years ago?

Which is an accurate description of the physical characteristics of poland? its fertile soil is found only along riverbanks, and its mountainous region in the northwest has few mineral resources. it is mostly flat with fertile soil except in the east and northeast, and the mountainous region in the south has large deposits of coal and copper. it is covered with thick forests, and it has large reserves of coal, petroleum, and natural gas. its landscape is dominated by plateaus, mountains, and high ridges, and it has large deposits of sulfur and copper in the northeast.