charles darwin
Evolution focuses on past life forms and how they turned into present life forms. The history of life on Earth demonstrates how the first cells formed, turned into simple life forms, and then became more complex plants and animals. The studies of Charles Darwin have reshaped and influenced all aspects of biology. The myriad evidence of evolution demonstrates the importance of the theory of evolution by natural selection. Lastly, the current focus on evolution demonstrates that evolution is a continuous and ongoing process that continues today.