In biology, phylogenetics (Greek: phyle = tribe, race and genetikos = relative to birth, from genesis = birth) is the study of evolutionary relatedness among various groups of organisms (for example, species, populations). Also known as phylogenetic systematics or cladistics, phylogenetics treats each species as a group of lineage-connected individuals. Taxonomy, the classification of organisms according to similarity, has been richly informed by phylogenetics but remains methodologically and l… (More on Phylogenetics)