Figure 1: Evolutionary dynamics of competitiveness.
Individuals of high competitiveness have a higher chance of obtaining a high-quality resource, but they cannot exploit the resource obtained with maximal efficiency. When variation in resource quality is small ((a); Rlow=0.8, Rhigh=1.2) the population is dimorphic most of the time, consisting of individuals with low competitiveness and individuals with intermediate competitiveness. Turnovers between low and intermediate competitiveness occur once in a while. When variation in resource quality is large ((b); Rlow=0.2, Rhigh=1.8) the population exhibits regular cycles between low and high competitiveness.
