They fly up in the air and the male fertilizes the eggs inside the female. After mating, the males die. Then the queen loses its wings and starts its own colony. So now you know how ants mate. Ants have very complicated bodies.
Some ants are fully blind and many have great vision.
And all ants use the senses of touch and smell. The antenna is among the most important sense that ants have. With it ants can detect flavors and smells as well as odors, tap objects to identify or feel something, or use them to communicate in special ways.