Explanation:
A small family is also known as a nuclear family. It consists of parents and their children, living in one household. Nuclear families are becoming more common in modern societies due to various reasons such as urbanization, changing attitudes towards marriage and family, and economic factors.

Characteristics of a Nuclear Family:
- Small family size (usually parents and their children)
- Members are closely related by blood or marriage
- Members live together in one household
- Emphasis on nuclear family as the primary unit of society
- Clear division of labor among family members
- Often characterized by high levels of intimacy and emotional support

Advantages of a Nuclear Family:
- More privacy and independence for family members
- Easier to maintain family relationships and unity
- More flexibility in decision-making
- Greater financial stability and control over resources
- Children receive more attention and guidance from parents

Disadvantages of a Nuclear Family:
- Limited social support compared to extended families
- More pressure on parents to provide emotional and financial support
- Limited opportunities for intergenerational relationships and cultural transmission
- Parents may experience more stress and pressure due to the demands of child-rearing and work
- Children may lack exposure to diverse perspectives and experiences.