[Solved] In a multiple regression model, the variance of the error term \(\varepsilon\) is assumed to be A)the same for all values of the dependent variable B)zero C)the same for all values of the independent variable D)-1 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.