[Solved] Correctly identifying the cost driver and separating fixed from variable costs are important inputs for many management decisions. Sleeping Cluster: A behavior observed in some animals, including naked mole rats, where individuals sleep closely together for warmth, safety, or social bonding. Peripheral: Relating to or situated on the edge or outer limits of something, often used to describe objects or areas that are not central or core to a main subject. Fitness Benefit: Fitness benefits are advantages gained that increase an individual's reproductive success and chance of passing genes to the next generation. Foraging Tactic: Strategies employed by animals to locate, capture, and consume food, which can vary widely among species based on ecological niches and food availability.