What are three benefits of social behavior?

Social behavior refers to the interaction exhibited among two or more organisms of the same specie. Benefits of social behaviour include the following:
1. It offers protection. Many animals live together in groups in order to secure protection for themselves.
2. It heightened the success of obtain food. Previous studies have shown that many animals are successful in searching for food if they search in groups. 
3. Some animals travel in groups in order to make travel easier and also to protect themselves from predators.

To kill bacteria from our body especially from stomach

The answer is c. they had seedshope this