I WONDER - What Are Leafcutter Ants?

Leafcutter ants are not just harvesters but skilled farmers. They cut leaves and transport them to their nests, where they use them to cultivate a specific fungus, which serves as their food. This mutualistic relationship is so specialized that the fungus cannot survive outside the ant colonies. The complexity of this agricultural system rivals human farming practices, showcasing a remarkable example of mutualism and agriculture in the animal kingdom.

In what way is the behavior of leafcutter ants described as organized?

What is the significance of the fungus cultivated by leafcutter ants in terms of its existence?