Use the Following to Answer Questions

Essay

Use the following to answer questions :
The following data were collected in a study in which dark and light moths of the peppered moth (Biston betularia) were released and recaptured a few days later in several different areas (a, b, c, and d).
-As peppered moths rest on bark surfaces during the day, they are subject to predation by birds. If one can assume that moths that are more camouflaged will be preyed on less, what would be the likely color of bark surfaces in area d?