The term '''race''' or '''racial group''' refers to dividing the [[human]] [[species]] into groups. The most widely used human racial types are those based on visual [[Trait (biology)|traits]] (such as [[human skin color|skin color]], [[cranium|cranial]], [[face|facial features]], or [[hair|type of hair]]).<ref>Bamshad, Michael and Steve E. Olson. [https://web.archive.org/web/20070604222659/http://schools.tdsb.on.ca/rhking/departments/science/bio/evol_pop_dyn/does_race_exist.pdf "Does race exist?"], ''[[Scientific American]]'' (10 November 2003).</ref> | The term '''race''' or '''racial group''' refers to dividing the [[human]] [[species]] into groups. The most widely used human racial types are those based on visual [[Trait (biology)|traits]] (such as [[human skin color|skin color]], [[cranium|cranial]], [[face|facial features]], or [[hair|type of hair]]).<ref>Bamshad, Michael and Steve E. Olson. [https://web.archive.org/web/20070604222659/http://schools.tdsb.on.ca/rhking/departments/science/bio/evol_pop_dyn/does_race_exist.pdf "Does race exist?"], ''[[Scientific American]]'' (10 November 2003).</ref> |