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