Answer:
Winter, but only when it is snowing. Unfortunately I live in a place that doesn't snow :(
Explanation:
1st measure: 1 2 and 3 and 4 and
2nd measure: 1 2 3 4
3rd measure: 1 2 3 e and a 4
4th measure: 1 2 3 4
The industrial revolution gave the black peppered moths an advantage of camouflage in its environment making it harder for predators to find. This is an adventageous trait. The white peppered moths were easier to find, making their population decrease.
