Dinosaurs did not exist in a vacuum; they were components of complex, shifting ecosystems. Modern paleobiology seeks to reconstruct these ancient food webs and environmental pressures. Stable Isotope Geochemistry
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Paleobiologists can now determine the actual colors of some feathered dinosaurs. By using Scanning Electron Microscopes (SEM) to look at fossilized feathers, scientists discovered —microscopic cellular structures containing pigment. Dinosaurs did not exist in a vacuum; they