蜻蜓体型大小与老鹰相当,翼展接近一米远古时代,地球大气层中氧含量远远超出了今天的标准,而古生物学家通过化石标本得知远古时代的昆虫体积普遍大于现代。那么,是不是当时的高氧大气造就了古代的巨型昆虫? 3亿年前石炭纪地球上生活着巨型昆虫,蜻蜓翼展接近一米。科学家们通过化石记录发现,在恐龙之前,地球上就有巨大的物种存在, Dragonfly body size and considerable size of the eagle, wingspan nearly one meter ancient times, the Earth’s atmosphere oxygen content far beyond today’s standards, and paleontologists through fossil specimens that ancient times the insect size is generally greater than the modern era. So, is not the atmosphere created by the ancient giant giant insects? 300 million years ago, the giant life on Earth Carboniferous dragonfly wingspan close to one meter. Scientists through the fossil record found that before the dinosaurs, there is a huge species on Earth,