Example image of eyePlorer eyePlorer map for 'Sexual selection': Charles Darwin Intraspecific competition Theory Biology Sexual conflict Sperm Sperm competition Genetic drift Sexy son hypothesis Immune system Metabolism Reproductive success Dominance hierarchy Pecking order Signalling theory Game theory John Maynard Smith Bateman's principle Zygote Peafowl The Genetical Theory of Natural Selection Sex organ Reproduction Secondary sex characteristic Female Male Nash equilibrium Bird Pregnancy Reptile Pipefish Monogamy Animal sexual behaviour Duck Primate Sexual dimorphism Cichlid Fish Shell dwellers Vertebrate Spider Survival of the fittest Positive feedback Ronald Fisher Gene pool Mating Evolutionarily stable strategy Competition Jousting Predation