In scientific terms, evolution is both a theory and a fact. A fact refers to a scientific explanation that has been tested and confirmed often enough that there is no reason to keep looking for additional examples. Scien... More »

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DNA supports evolution because all life on Earth carries DNA, and evolution happens only after DNA changes. These changes are called mutations and happen spontaneously from flawed DNA copying or from mutagens, such as X-... More »

Vestigial structures support the theory of evolution by adding observable evidence to the model of common ancestry. Vestigial structures are not necessarily without function. In fact, according to Austin Cline at About.c... More »

Despite the fact that he refused to believe in evolution, naturalist and palaeontologist Georges Cuvier (1769-1832) contributed to Charles Darwin's theory of evolution, particularly in terms of natural selection, by esta... More »

The answer to the question of whether evolution is a theory or fact is "both," and the answer to the question of whether extinction of the dinosaurs affected other species is "yes." Another question is whether the evolut... More »

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Charles Darwin is best known for establishing a theory of evolution that explains biological changes among the species of the Earth. His belief that most species evolved through the process of natural selection also made... More »

www.reference.com Science Biology

Jean Baptiste Pierre Antoine de Monet, Chevalier de Lamarck, was one of the first naturalists to propose a comprehensive theory of evolution. His proposed mechanisms were different from those of Charles Darwin and Alfred... More »