1840年至1880年间首次发现并研究了这种被称为蜥脚类动物的巨型食草恐龙的骨骼化石,为成年型恐龙的巨大特征提供了证据。
Fossil bones of the huge herbivorous dinosaurs known as sauropods were first discovered and studied between 1840 and 1880, providing evidence for the gargantuan dimensions of the adults.
这些新化石显示了进化产生的组合方式:它们拥有最著名的特征,但是以前从未有过这种新型组合。
The new fossils display the modular way in which evolution operates: they have mostly known features but in novel combinations that have never been seen before.
澳大利亚珀斯默多克大学生物学家夏洛·奥斯卡姆和同事们探究认为,世界上现存的蛋壳化石普遍都具有弹性膜的特征。
Biologist Charlotte Oskam and colleagues at Murdoch University in Perth, Australia, said eggshell is a resilient membrane that is frequently found in fossil deposits around the world.
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