The correct answer is:
- nuclear
In today's classification of families, the term "nuclear family" refers to a family unit consisting of parents (typically a mother and a father) and their biological or adopted children living together. This type of family structure is considered traditional in many societies and is often depicted as the ideal family unit in mainstream media and social norms. The nuclear family is characterized by a close-knit relationship between parents and children, with a focus on raising and caring for the children within the household.
