AP Biology Whether it is Lamarck's theory that evolution is driven by an innate tendency towards greater complexity, Darwin's theory of natural selection, or the belief that the evolution of plant and animal life is controlled by a higher being, the process of evolution cannot be denied. Archaeological investigations have proven that species evolve over time, but the unanswered questions are " How?" and "Why?" The answer lies in Charles Darwin's theory of evolution. Charles Darwin was born in Shrewsbury, England on February 12, 18 ....