Question

Scenario: Before the industrial revolution in England the predominant peppered moth had light colored

wings. After the industrial revolution more dark colored moths appeared until they were the dominant form of
the moth. The major predators of these moths were sparrows that relied on sight to identify and eat the
moths.
The light colored peppered moths in the forest of the industrial area began to disappear in numbers because
they were...
A Very sensitive to the sooty air pollution
B Poisoned from eating the soot covered lichens
C More visible against the dark tree bark
D Repelled by the dark bark tree since the lichens had died.

Answer 1

Yes they were more visible on the black soot covers trees, thus the white moths were more easily seen by predators like birds (ex eaten) allowing the black moths to blend in better and prevail in the spot covers environment.

Answer 2

They were more visible against the dark tree bark