Question

one of the skills most difficult for paleontologists to trace is the development of in humans, because it is both a biological and cultural adaptation. developed this ability. when this ability emerged is unknown, but most scholars agree that because all human groups around the world speak, it is safe to say that the capacity to do so originally arose in . southwest asia all hominins toolmaking language africa only humans

Explanation:

The text mentions that the skill is both a biological and cultural adaptation, and since all human groups speak, the capacity likely originated in one place. Language is a complex skill that paleontologists have difficulty tracing in human development. It is widely - accepted that the human capacity for language likely originated in Africa.

Answer:

language, Africa