Aristotle - first classification into animals and plants; sub-classification into “units” of cats, horses, oaks, etc.
Genera (sing. Genus) - Latin for “groups”
Carl von Linné (Carolus Linneaus; 1707-1778) binominal taxonomy:Each species has distinct nameNames made of Genus plus species name; Homo sapiens
Taxonomic hierarchy:Species Apis mellifera (honey bee) Genus Apis Family Apidae Order Hymenoptera Class Insecta (Hexapoda) Phylum Arthropoda