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