[Solved] According to Kram's research,the most difficult stage of the mentor-protege relationship is A) initiation. B) cultivation. C) separation. D) redefinition. Food Supply: The provision and availability of food materials to organisms, ensuring their nourishment and survival. Social Structure: The organized pattern of social relationships and social institutions that together constitute society. Naked Mole Rats: A species of hairless rodents known for their longevity, resistance to cancer, and ability to live in highly social, cooperative colonies underground. Social Insects: Insects that live in organized colonies and exhibit complex behaviors such as division of labor, cooperation, and the ability to solve problems as a collective.