Why do leaf cutter ants cut leaves?

Answer: Growing fungus gardens underground

Growing fungus gardens underground ✓ — Correct! Leaf cutter ants are farmers! They cut leaves into pieces, carry them underground, chew them into pulp, and use it as compost to grow specialized fungus. The fungus breaks down the leaves and produces nutrient-rich growths that ants harvest and eat. They're agriculture experts!

Building waterproof nest roofs — Wrong. While ants do build nests, the leaves aren't for construction—they're for cultivating fungus gardens that serve as the colony's food source.

Sharpening their mandibles — Wrong. Ants don't cut leaves to sharpen jaws. Their mandibles are already powerful. They cut leaves specifically to cultivate fungus.