1. The family is the basic social unit of modern society.

2. Cohesive social units foraging a particular area over several generations would enhance efficiency by transmitting such information among closely related animals.

3. Young baboons are reared in social units of complex structure.

4. The basic social unit in ancient Germanic tribes was the clan.

5. The family is the smallest social unit.

6. The family is a small social unit.

7. The family is a social unit.

8. Family balance: Family is the social unit that is based on marriage and bloodline relations.

9. The major social unit is the colony ,[sentence dictionary] which forms a nest.

10. These condition called for, and were capable of supporting, much larger social units than the traditional Neolithic villages.

11. If cooperation and exchange are to continue to flourish in our most basic social unit, family members also need reliable contracts.