Certainly so. Your metrics, for example, look biased towards hunter-gatherer tribes :-)
Many did, but then, many did not.
This looks like an empirical question. I bet there are studies with data. I am also too lazy to go, google them up, read them, and figure out the answer :-D
Certainly so. Your metrics, for example, look biased towards hunter-gatherer tribes :-)
This looks like an empirical question. I bet there are studies with data. I am also too lazy to go, google them up, read them, and figure out the answer :-D