Before revision:  Finally, we show how various forms of cooperation and consequent ageing emerge as key elements in all major steps of evolution from the formation of protocells to the establishment of the globalized, modern human society . Thus, ageing emerges as a price of complexity, which is going hand-in-hand with cooperation enhancing each other in a successful community .
After revision:  Finally, we show how various forms of cooperation and consequent ageing emerge as key elements in all major steps of evolution from the formation of protocells to the establishment of the globalized, modern human society .