The American Naturalist, Volumen172

adaptive adult aggression alleles American Naturalist analysis Animal antioxidant Argentine ants average behavior benthic Biological Sciences Biology biomass birds body mass brain breeding C-females calculated clutch colonies correlated Daphnia decrease density dependence diet dimorphism dispersal disruptive selection distribution dynamics E-mail Ecology effects endophyte environment environmental Epichloë equation estimated evolution evolutionary Evolutionary Biology extinction fecundity fish fitness flowering foundresses function genetic gill raker growth rate gynes habitat hypothesis increase individuals infection interactions invader invasion Journal life-history males mammals mating matrix measure mortality mutations nest offspring parameters patch patterns phenotypic phenotypic plasticity phylogenetic phylogeny plants plasticity population population density predation predicted prey probability produced range regression relatedness relationship relative reproductive resource Royal Society sample seeds senescence sex ratio sexual cannibalism sexual selection spatial speciation species sperm competition statistical stickleback strategies survival tail white testosterone traits transmission ulation values variables variance variation