The reason behind this is that when foragers work at the individual level, they are able to exploit the resources in that area more quickly and efficiently than if they took time to recruit nest mates to that area or tried to defend the area from nonnestmates
छापखान्यात काम करणारा माणूस तिथल्या वातावरणात इतका आणि असा काही रुळायचा की त्याला अन्य ठिकाणच्या नोकरीचे किंवा व्यवसायाचे आकर्षण वाटेनासे व्हायचे.