time frame is far too short a period to support the process of evolution as it is known today, which is why geology is so crucial to evolutionary philosophy (Appleman 9). Biology gives the theory of evolution several other essential proofs. From the works of geneticists such as Mendel, it has been proven that all creatures have similar structure and essential, natural processes. These traits of inheritance are definatly proof of evolution, because without this pattern, all creatures would be completely unique, without any of the same characteristics that are demonstrated today in the over twenty million life forms on earth. These two sciences give evolution extremely proof, because Darwin could not have proven his theory of evolution without them (Eiseley 94-96).
             Philosophy also contributes heavily to the more creative, innovative, and influential components of evolution. Philosophers around the world, especially those in the intellectual movement of the Enlightenment, contributed various theories in attempts to explain how creatures evolved throughout time. If philosophers had not speculated on evolution, the vast majority of people would still believe in the divine creation of organisms. These theories obviously challenged Christian theology, but many philosophers of the day were atheists, and, although it was not their foremost goal, challenging the Church was a priority for some. This element of eighteenth century philosophy allowed philosophers, and t
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