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小小孢子在远古敲来警钟：大灭绝源于臭氧层剥离
source link: https://tech.sina.com.cn/d/c/2020-06-05/doc-iirczymk5373972.shtml
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来源：知社学术圈距今约3.77亿年前，泥盆纪晚期，海洋孕育着勃勃生机命，大陆覆盖着茂盛的植物。没有谁会想到，地球历史上第二次生物大灭绝正在逼近……这是非常普通的一天，蕨类植物肆意生长，争相孕育自己的后代——孢子。突然，地壳开始剧烈晃动，大量
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