Industrial melanism or the darkening of a species due to pollution was seen in the peppered moth. The soot and ash from factories killed the lichens on the trees favoring
the darker moths to avoid being eaten by predators. This is a classic example of what type
of selection?

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits