Talk:Reciprocity (evolution)

Cleanup?
User:Skysmith suggested this needs a cleanup. It's pretty much all out of a hyper-recent Science paper, can someone elaborate? NBeale 22:03, 29 December 2006 (UTC)

Wiki Education assignment: ANTH 193 - Behavioral Science in Practice
— Assignment last updated by Dkhora (talk) 19:37, 8 December 2023 (UTC)