令人惊叹的化石发现挑战了动物生命的起源
科学家们重新审视来自巴西的 5.4 亿年前的神秘微化石，推翻了关于早期动物生命的一个重要观点。曾经被认为是微小的蠕虫状生物留下的痕迹现在被认为是化石......
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来源: Science Daily
Scientists revisiting mysterious 540-million-year-old microfossils from Brazil have overturned a major idea about early animal life. What were once thought to be trails left behind by tiny worm-like creatures are now believed to be fossilized communities of bacteria and algae — some with remarkably preserved cells and organic material still intact.
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