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VIRUS EVOLUTION
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110 Million years ago (+/- 10 million)
The Last Stegosaurus: Wuerhosaurus
Dinosaur Evolution
Even famous branches have quiet endings. Wuerhosaurus reminds us that evolutionary lines do not always end in dramatic fashion. Sometimes they simply thin out, leave only scattered fossils, and disappear long before a great extinction event makes the history books.
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Did red algae descend from green algae?
Plant Evolution
Red and green algae diverged about 1.5 billion years ago, shaping marine ecosystems. Green algae later gave rise to land plants around 475 million years ago, transforming Earth’s surface and atmosphere. Fun fact: blue-green algae aren’t algae at all. They’re photosynthetic bacteria that emerged much earlier, around 2.7 billion years ago.
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