NEETZoologyEvolution
Why did white-winged moths survive better before industrialization?
Options
- AThey were faster flyers compared to dark-winged moths
- BThey could camouflage well against the white-colored lichen on trees
- CThey had better reproductive success than dark-winged moths
- DThey were less visible to predators in the dark
Correct answer
B. They could camouflage well against the white-colored lichen on trees
Step-by-step solution
White-winged moths survived better before industrialization because they camouflaged well against the white-colored lichen covering the trees .During post- industrialisation period, the tree trunks became dark due to industrial smoke and soots. Under this condition the white-winged moth did not survive due to predators, dark-winged or melanised moth survived. Before industrialisation set in, thick growth of almost white-coloured lichen covered the trees - in that background the white winged moth survived but the da