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Okay, sorry about that. I have a question for all of you. What is your "concrete" evidence for evolution anyway? All you guys ever say is, "You're dumb because you're a Creationist." What is so dumb about believing that God created the world, which is too complex to come about by chance anyway? Ok just thought I'd throw that out there!
No offense taken, and I hope you feel the same way. Never take my attacks on scientific issues personally. I know many creationists and we get along just fine (same could be said about my Republican friends as well
).
To get back on topic, there is no single piece of evidence that I would call "concrete". It is the mountains of separate evidence that points to one conclusion, that life changed over millions of years resulting in the biodiversity we see today. That much is as close to fact as science gets. The "theory" part is how that change came about, the mechanisms that caused changes in morphology and physiology. This theory is summed up in the Modern Synthesis which relies heavily on ecology and molecular biology.
For a start, the topic of this thread is a great place to start. The position of fossils is one of those pieces of evidence that points to evolution. More specifically, if humans have been around since the dawn of the Earth (or the beginning of creation) why don't we find human fossils and human artifacts in every sediment layer? Why don't we find human fossils next to dinosaurs, archaeopteryx, or other ancient fossils. Why can't we find a anatomically modern fossil that dates older than 150,000 years, even if radiometric dating is untrustworthy. This is something that creationism can't answer, but the theory of evolution explains completely.
The position of any fossil is a huge problem for creationism but supports evolution at every step. The problem is that the order of fossils in the ground is echoed in the DNA of living species. In other words, if two species share a recent common ancestor according to the fossil record then their DNA is very similar. If a global flood sorted these fossils, then it didn't do so by ecological niches, density, or any other characteristic besides DNA. If a global flood sorted these fossils, then it sorted the fossils by the DNA of those organisms. Call me crazy, but I don't think raging waters are able to sort organisms by their DNA content.
How does creationism explain the position of fossils in the fossil record? What evidence supports the claim that a global flood was able to sort fossils by their DNA?