Natural Selection Charles Darwin came up with the theory of evolution to explain the diversity, complexity, and origin of life. According to Darwin evolution takes place via Natural selection. Natural selection can explain diversity with in species, but I have yet to see anything that could make me believe that natural selection can create new species, or the origin of life. Natural selection is a natural process in which animals better adapted to their environment …showed first 75 words of 751 total…

…showed last 75 words of 751 total…centuries to express desired characteristics. Despite their vast differences between breeds they are all still the same species, and share the same genetic make up. Many people assume that the many small changes with in a species can lead up to a new species. We have yet to observe microevolution long enough to see if it can result in a new species. Until then we should stop assuming that it is the cause for macroevolution.