1. What do you mean by social insects?
2. Some ants are called social insects because they live in societies, cooperate with one another and do only the work assigned to them.
3. The ants cooperate with one another through division of labour. For example, some ants protect their community while the others gather food.
4. Division of labour is the principle they follow while doing their work.
5. They are called soldier ants because they guard and protect their community. They fight the other insects who attack them or raid their colony.
6. They have not learnt the principle of division of labour. They have inherited it.