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Certain beetles are known to pollinate plants. New fossil evidence from Mexican and Dominican fossilized amber indicates that they were doing so 20 million years ago (Miocene epoch), according to Oregon State University scientist George Poinar, Jr.
The Fossil Record The most direct evidence that evolution has occurred isfound in the fossil record. Today we have a far more com-plete understanding of this record than was available inDarwinâs time. Fossils are the preserved remains of once-living organisms.