Posts Tagged With: Extinction

Whatever Wednesday – Mass Extinction and Biology?

Let’s have a happy science talk today. Because science and stories go hand-in-hand in my mind. Topic? The end-Permian mass extinction!

This particular mass extinction (yes there have been many over the millennia on Earth) occurred 250 million years ago and killed 90% of all life on the planet. At that point, there was already a great deal of diversity on Earth. We had plants, sea creatures, insects, amphibians, and reptiles all roaming around doing whatever it is animals did way back then (they didn’t have internet so…. I guess they just walked around in circles or something..?) Then all of a sudden… BAM! Right in the middle of Mr. Lizard’s 586284th circle walk, The Great Something happened. Scientists never really had a good idea of what this Something was. It was theorized to be an asteroid or mass volcanic activity or alien invasion… Most respected scientists only mentioned that last one in the safety of their homes, but they all secretly thought it was true… Continue reading

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