A mixed population of solid white moths and solid black moths inhabit a forest near an industrial city. Soot from the factories settles on the tree trunks, on which the moths rest during the day. Birds predate on the moths during the day. Which of the following is most likely to occur?

MCQs on the interactions among organisms and their environment that influence and regulate population size. Covers forms of intrinsic population growth and factors affecting that growth, ecological relationships, and the means through which populations can be managed to maintain species and biodiversity.