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Evolutionary history is represented as a branching tree, with shorter or longer links between all species depending on their relationship.
One of the most difficult, but important, points to understand about evolution is the tremendous age of the Earth.
Compare Charles Darwin’s views with that of his friend and colleague, Alfred Russel Wallace.
Biochemists, geologists, and physicists seek natural explanations for the origin of life on Earth.It is an incontrovertible fact that organisms have changed, or evolved, during the history of life on Earth.And biologists have identified and investigated mechanisms that can explain the major patterns of change.Such super-natural explanations lie outside of science, which can neither prove nor disprove miracles.Science provides us with a compelling account and explanation of the changing life on Earth. Learn the facts in Evolution 101, browse the resource library, read about evolution in the news, or discover a wealth of materials to help educate others about evolution and related concepts—it’s all right here!
In Nature, University of Chicago evolutionary biologist, Jerry Coyne, noted that, "There is no doubt that the pathways described by Behe are dauntingly complex, and their evolution will be hard to unravel. The problems have indeed been sorely neglected--though Behe repeatedly exaggerates this neglect with such hyperboles as 'an eerie and complete silence'" (Cavalier-Smith 1997).