Eusociality is an extreme form of social behaviour found in just a few types of animals.
Eusociality is the highest level of organization of sociality.
It is defined by the following characteristics: cooperative brood care (including care of offspring from other individuals), overlapping generations within a colony of adults, and a division of labor into reproductive and nonreproductive groups
Pheromones are widely used by eusocial insects to coordinate the organization of their colonies.
The primary reason for the evolution of eusociality in animals is enhanced reproductive success.
Bees
While not all bees are social, honey bees and bumblebees live in complex societies and are referred to as eusocial.
Ants
In eusocial ant colonies, worker ants are female ants which are responsible for collecting and storing food.
They build the anthill and repair it when it gets damaged.
They also look after the newborns and provide food for them.
Termites
In eusociality in termites, Only the king and queen reproduce
Termite colonies consist of a fertile queen and king (reproductives), workers (the most numerous), and soldiers.
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