[Solved] Encephalitis is most commonly caused by a ______. A)bacterium B)protozoan C)virus D)helminth Instinctive Behavior: An innate response to a simple stimulus. Forage: The act of searching for and exploiting food resources, typically used in the context of animals grazing or feeding on plants. Naked Mole-Rat: A small rodent native to parts of East Africa, known for its nearly hairless body and ability to live in highly structured, eusocial communities similar to those of some insect species. Nonbreeding: Refers to periods or conditions under which an organism does not engage in reproductive activities, often influenced by environmental factors, life history traits, and physiological status.