When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
By Jason Roach, Ken Pease. Jason Roach is Senior Lecturer in Criminology at the University of Huddersfield. Human physique and behaviour has been shaped by the pressures of natural selection. People Who Need People?.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.