In general terms, eating (formally, ingestion) is the process of consuming nutrition, for example food, for the purpose of providing for the nutritional needs of an animal, particularly their energy requirements and to grow. All animals must eat other organisms in order to survive: carnivores eat other animals, herbivores eat plants, and omnivores consume a mixture of both. While the process of eating varies from species to species, in humans eating is performed by placing food in the mouth, ch… (More on Eating)