The business name is simply that, a name, a way to identify a business, entity, or individual. Due to the potential value of a trademark and the inherent property rights entailed within a trademark, the application for a trademark is much more complicated.
These are two separate questions. Organisms do not serve evolutionary purposes. Traits within organisms affect their survival, which might be thought of as evolutionary purpose. Even that is still not quite right. This question might better ask for ecological purpose. Ants have many such purposes. They clean up dead organisms as scavengers.
For other uses, see Ant (disambiguation). Ants are eusocial insects of the family Formicidae and, along with the related wasps and bees, belong to the order Hymenoptera. Ants evolved from wasp-like ancestors in the Cretaceous period, about 99 million years ago, and diversified after the rise of flowering plants.