A New Transactions Evolution is the primary unifying principle of modern biological thought. These processes are reproduction, mutation, competition, and selection.
Reproduction is an obvious behavioral property of all life.
Competition and selection become the inescapable consequence of any expanding population constrained to a finite arena. Evolution is an optimization process that can be simulated using a computer or other device and put to good engineering purpose. The interest in such simulations has increased dramatically in recent years as applications of this technology have been developed to supplant conventional technologies in power systems, pattern recognition, control systems, factory scheduling, pharmaceutical design, and diverse other areas. When applied for practical problem solving, each begins with a population of contending trial solutions brought to the task at hand. New solutions are created by randomly altering the existing solutions.