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