Definition: The word "arthropodan" comes from Latin, meaning "a living animal." It refers to any creature that is not a plant or animal but instead has its own body system, organs, or other systems independent from those found in plants or animals. Definition: A term describing all the organisms that have developed an individual life cycle, from reproduction and growth to metabolism and reproduction. Examples include insects, fungi, algae, and viruses. In simpler terms, "arthropodan" refers to any creature without a backbone or organs that are not part of a living organism, such as bacteria or parasites.