2. It refers to the classification of family according to degree of authority where both the father and the mother are the heads of the family. 3. It refers to the classification of family according to degree of authority where the father is head of the family. 4. It refers to the classification of family according to degree of authority where the mother is the head of the family. 5. It refers to the classification of family according to structural organization where a family is composed of parents and their children. 6. It refers to the classification of family according to structural organization where a family is composed of parents, their children, and other relatives. 7. It refers to the classification of family according to structural organization where the family is with other people who are not their relatives. 8. It refers to the stage of family that begins with the marriage between a man and a woman. 9. It refers to the stage of family when the children are still with their parents. 10. It refers to the stage of family when children leave their parents because they will start a family of their own.