Independent adults live at home and still have their parents or caretakers provide meals and clothes. true false

False.  An independent adult normally provides all of the above themselves.  An independent adult is self-sufficient.

An informal structure in a bureaucracy would be something like so-called "office politics". where there's a formal structure set up for the organization, but then an informal subculture as well that has a way of organizing the bureaucracy further. this can be positive because it sets up an added degree of organization, albeit informal, within the bureaucracy.