The descent of man, and selection in relation to sex

["Human beings" "Origin" "Evolution" "Heredity" "Natural selection" "Sexual dimorphism (Animals)" "Sexual selection in animals" "Evolution (Biology)" "Sex differences" "Human evolution" "Biological Evolution" "Genetic Selection" "Natural history" "Evolu\u00e7\u00e3o (teoria)" "Sele\u00e7\u00e3o sexual" "Diferen\u00e7as sexuais animal" "Origem das esp\u00e9cies"]