Ants that seem to defy biology – They lay eggs that hatch into another species

This is wild. But eusocial insect have a lot of bizarre eccentricities in sex determinism. less than 1% of the colony can actually reproduce, every other being is there for the betterment of the 1%. The workers will mutilate, sacrifice and kill themselves just for the queen to have 0.1% better survivability.

It is helpful to think of the whole colony as a singular organism as opposed to individuals, because our understanding of individual starts breaking down at these levels

> It is helpful to think of the whole colony as a singular organism as opposed to individuals, because our understanding of individual starts breaking down at these levels

Can't the organisms be viewed as individuals with a shared common goal.

No. Neither ant colonies nor individual ants have goals.