Species

walking

Habitat

types of theory of mind

human-bonobo-chimpanzee ancestor

quadrupedalism

forest

no theory of mind

early hominins

bipedalism

mixed

specialists in division of labor (home-exploration)

early Homos

bipedalism

open

specialists in division of labor (hunter-gatherer)

middle Homos

bipedalism

open

specialists in division of labor (complex production)

late Homos

bipedalism

open

mind reading in complex social interactions

Homo Sapiens in the Upper Paleolithic Period

bipedalism

harsh

imaginary specialists in division of labor (human-supernatural)