In a certain environment,there is selection for the mean coloration of snail shells.What type of natural selection is this? In what type of environment is this most common?

Natural Selection

A process in biological evolution where organisms with traits better suited to their environment are more likely to survive and reproduce.

Mean Coloration

A statistical average of the colors within a specific area, often used in studies of animal coloration, camouflage, or ecological monitoring.

Snail Shells

Hard, protective external skeletons built by snails, offering shelter and defense against predators, composed mainly of calcium carbonate.