Their big brains
Their small size
Their speed
Their social behavior
Vision
Touch
Vibration
Chemicals
Sound
Adult
Egg
Larva
Pupa
Different individuals specialize on different jobs.
Each individual splits its time among many jobs.
The total amount of work is reduced.
Each task is broken up into smaller parts.
Egg » Larva » Pupa » Worker » Queen
Egg » Larva » Pupa » Adult
Egg » Pupa » Larva » Adult
Egg » Pupa » Adult
Egg » Larva » Adult