“Dinosaurs arose in the Triassic, about two hundred and twenty-eight million years ago. They proliferated throughout the Jurassic and the Cretaceous periods that followed. They were the dominant life form on this planet for about a hundred and fifty million years—which is a very long time.” “Considering we’ve been here for only three million,” Eddie said. “Let’s not put on airs,” Malcolm said. “Some puny apes have been here for three million years. We haven’t. Recognizable human beings have only been on this planet for thirty-five thousand years,” he said. “That’s how long it’s been since our
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