Warning: Undefined array key "visitor_referer_type" in /var/www/vhosts/wordinf.com/core/app/libraries/Core.php on line 98 Richard Leakey - We are justified in calling all...
We are justified in calling all species of bipedal ape "human."... the adaptation of bipedalism was so loaded with evolutionary potential-freeing the upper limbs to be free to become manipulative implements one day-that its importance should be recognized in our nomenclature. These humans were not like us, but without the bipedal adaptation they couldn't have become us.