been used in many areas of biology including ecology (May & Leonard 1975, Doebeli & Knowlton 1998), host-parasite interactions (Turner & Chao 1999, Nowak Sc May 1994), bacterial population dynamics (Kerr et al 2002), immunological dynamics (Nowak et al 1995), the evolution of human language (Nowak et al

of human language (Nowak et al 2002) and the evolution of social behavior of humans ('rivers 1971, Axelrod & Hamilton 1981, Boyd & Richerson 2005, Nowak Sc Sigmund 2005). 8 EFTA00748875 Chapter 2: Strategy selection in structured populations 9 Evolutionary game theory is the necessary tool of analy