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| Cambrian ocean scene, featuring an Anomalocaris canadensis ("anomalous Canadian shrimp") chasing trilobites. Image by diorama artist Ken Doud. |
In fact it's likely she meant the Cambrian, and I think it's very likely that a system of global warming, rising sea levels, and coastal erosion, worked in at least as disruptive fashion as it does now, if I'm getting this great post from Science News for Students and a Britannica article right. In a sense, I'll show, conservatives are right in their claim that the climate change phenomena we're experiencing now aren't that different from the climate change phenomena that have been around forever, and they certainly weren't caused by humans then. But don't get too comfortable, conservatives.









