In the dark forest, can a light moth change it's traits to become dark? Why or why not?

No, because according to one of the article I found online, that said camouflage of the light moth no longer worked in the dark forest. But the dark moths live longer in a dark forest, so they had more time to breed.

Explanation:

most likely to see nocturnal animals

answer: tributaries flow into rivers.

wetland is a biome that develops when the water gets accumulated in a land exhibiting a huge depression. these form either seasonally or permanently. the water in the wetland comes from rivers, lakes, ocean, flood, rain or other sources. the wetlands includes mangroves, marshes and peatland.

tributaries flow into the rivers develops a wetland because such water will get deposited in the depression and will restrict the original flow of tributary water. hence, water with low drainage current combines with the river water.