Answer:
Before the industrial revolution, peppered moths camouflaged with the bark on trees. During the the industrial revolution the bark of the trees darkened, so the white moths no longer camouflaged with the bark. However, the black moths did camouflage.
Answer:
What are the instructions? Let me know so I can help in the comments :)
I think the biome will be a tropical grassland.
DNA helicase breaks it down into separate strands