[Solved] A former employer may be exposed to liability for giving a truthful reference. Sterile Workers: Individuals, particularly in insect colonies like bees, ants, and termites, that cannot reproduce but perform tasks for the colony. Eusocial: Characterizing a high level of social organization in animals, where there is cooperative brood care, reproductive division of labor, and overlapping generations. Naked Mole Rats: Small, burrowing rodents known for their eusocial structure, lack of pain sensation in their skin, and resistance to cancer. Musk Oxen: Large, hairy herbivores native to the Arctic regions, known for their thick coats and the strong odor emitted by males.