Genic variability and strategies of adaptation in animals.
D000220:Adaptation, Biological; D000483:Alleles; D000818:Animals; D001717:Birds; D003386:Brachyura; D010872:Caniformia; D004330:Drosophila; D005399:Fishes; D005796:Genes; D014644:Genetic Variation; D005828:Genetics, Population; D006579:Heterozygote; D006706:Homeostasis; D006801:Humans; D007313:Insecta; D008116:Lizards; D011110:Polymorphism, Genetic; D012377:Rodentia; D012908:Snails