Answer:
Explanation: 2. the environment, its genetics
1. the industrial revolution, by carrying steam engines polluted the air
3. the change that they were having from parents to children in the colors, and the variation that they had
4. the moths were changing to better survive their environment
5. is the change of the wings of flying species due to pollution
6. Because there is little pollution, industrial melanism is reduced, which allows the moths to change to light colors
I did not understand the rest, but I hope this helps you