suckling affects nursing behavior, litter activity, and general behavioral patterns during lactation, and where is during extended lactation period results in behavioral patterns, associated with piglet distress. Intermittent suckling may contribute to adaptation to the postweaning state by stimulating eating behavior, without causing obvious behavioral distress. this is the transition to solid food, is used to illustrate the potential of studying learning in development.
is a state of inactivity and metabolic depression in endothermic. hibernation refers to a season of heterothermy that is characterized by low body temperature, slow breathing and heart rate, and low metabolic rate. if they'd stayed awake and burnt energy they would have starved before spring came around.