Human Responsibility for Megafaunal Extinctions     Paleontologists are intrigued by the question of what caused a diverse group of large animals (megafauna) to become e...

TF阅读真题第677篇The Importance of Seed Plants

TF阅读真题第848篇Wool production in Europe on the high Middle Ages

Both the steamboat and the railroad system with its steam-powered trains revolutionized transport in the United States in the nineteenth century. Entire regions that would hardly h...

TF阅读真题第691篇Natufians and the Domestication of Grain

TF阅读真题第810篇The Evolution of Grass and Herbivores

TF阅读真题第726篇The Horse and the Camel in Early China

Lenape Horticulture       Older scholarship on Native Americans assumed that, at the time of their first contact with Europeans, Native Americans in the northeaste...

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TF阅读真题第735篇The Role of Fragrance in Plant Pollination