Full Definition of AVERAGE. 1. a: a single value (as a mean, mode, or median) that summarizes or represents the general significance of a set of unequal values b: mean 1b. 2. a: an estimation of or approximation to an arithmetic mean.ull Definition of AVERAGE. 1. a: a single value (as a mean, mode, or median) that summarizes or represents the general significance of a set of unequal values b: mean 1b. 2. a: an estimation of or approximation to an arithmetic mean.
Comparative anatomy is the study of the relatedness of species through examining anatomical structures. Some structures, like homologous structures indicate two organisms shared a recent common ancestor, like the arm bones in humans, bats, whales and birds.
Freebase(0.00 / 0 votes)Rate this definition: Comparative psychology. Comparative psychology refers to the scientific study of the behavior and mental processes of non-human animals, especially as these relate to the phylogenetic history, adaptive significance, and development of behavior.