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.
Peter Mair and Richard Rose advance a slightly different definition, arguing that comparative politics is defined by a combination of a substantive focus on the study of countries' political systems and a method of identifying and explaining similarities and differences between these countries using common concepts.