Eric Walker added The evolution of the human trophic level during the Pleistocene to Human trophic level (HTL) and Pleistocene

Eric Walker added Humans were apex predators for two million years | EurekAlert! Science News to Human trophic level (HTL)

Eric Walker added The evolution of the human trophic level during the Pleistocene and Humans were apex predators for two million years | EurekAlert! Science News to Human trophic level (HTL), and added Human trophic level (HTL) to Humans

Eric Walker added a number of topics and a number of links to Humans, and added Humans to Hominins