Two possible answers, the plant kingdom or the eukaryotic kingdom because the plant is within this category along with animals.
DescriptionThe term social order can be used in two senses: In the first sense, it refers to a particular system of social structures and institutions
Male Birds are usually the colorful birds to attract mates while females are camouflaged to protect their eggs/hatchlings. Ground birds need to be camouflaged because they are easy prey and they have their nests on the ground.
Animal action is physical weathering
scientists can test differences of the area with pigmentation by observing which is lighter and which is darker however they use microscope to look the difference of the pigmentation over the cells.