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VIRUS EVOLUTION
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112,000 Years (+/- 3000 years)
Extinction: Homo Erectus
Ancient Humans
When we picture Homo erectus, we shouldn’t picture a cartoon “caveman.” Picture a tough, capable humanline that endured for nearly two million years—toolmakers who likely used fire at times, communicated richly, and knew their landscapes intimately. The real drama isn’t that they were primitive—it’s that they were a near-miss with us.
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Science
FAQ
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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