Technology is a broad concept that deals with a species' usage and knowledge of tools and crafts, and how it affects a species' ability to control and adapt to its environment. Basically, when used with proper intent, anything is technology. It has been around since the dawn of man and, depending on how you classify technology it has been around since the beginning of life.
If you think technology must be created with purpose, go to page 12
If you think biological systems can function as technology, go to page 3