Definition: a consumer that feeds primarily by phagocytosis, a cellular-level process that results in the engulfment of food particles outside the body, by specialized cells called phagocytes. Literally, "eating by the cell".
Definition: position of an organism in a food web. May be described verbally with descriptors including primary producer, herbivore or carnivore. If described numerically, 1 indicates a primary producer, 2 a herbivore, and so on up the food web.