The rat's anticipation of two meals a day.
D000824:Animal Nutritional Physiological Phenomena; D000818:Animals; D001522:Behavior, Animal; D001835:Body Weight; D002940:Circadian Rhythm; D004435:Eating; D005260:Female; D005508:Food Deprivation; D006799:Housing, Animal; D006815:Hunger; D008124:Locomotion; D009042:Motivation; D011336:Probability; D051381:Rats