Dominance can refer to a variety of different concepts depending on the context in which it is used. In general, dominance refers to the state of being in control or having power over something or someone. In evolutionary biology, dominance refers to the ability of one individual or group of individuals to outcompete others for resources or mating opportunities. In animal behaviour, dominance refers to the hierarchical relationships that exist within a group of animals, with dominant animals having more influence over resources and mating opportunities than subordinate animals. In psychology, dominance refers to the way in which individuals assert themselves in social situations and interact with others.