Homeostasis-anhomeostasis: Goliath and David.
D000222:Adaptation, Physiological; D000223:Adaptation, Psychological; D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001522:Behavior, Animal; D002645:Chickens; D003677:Deficiency Diseases / Q000209:etiology; D005247:Feeding Behavior; D006184:Habits; D006706:Homeostasis; D006801:Humans; D006815:Hunger; D007223:Infant; D007858:Learning; D051381:Rats; D013696:Temperature; D014868:Water Deprivation