Woody plants produce a great variety of chemical compounds to provide protection against other plants, diseases, and herbivores (plant-eating animals) big and small. These chemical...

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

TF阅读真题第708篇Marsupials

The sauropod dinosaurs were gigantic, long-necked herbivores (plant eaters) that flourished during the Jurassic period (201-145 million years ago). At the same time that the saurop...

TF阅读真题第682篇Early Iron Metallurgy

TF阅读真题第732篇Viral Plant Parasites

TF阅读真题第703篇Ice Age Triggers

Molt is the process in which birds shed feathers and replace them by growing new ones. It is a costly effort that typically follows breeding in the warmest months of the year and p...

TF阅读真题第706篇A Revolution in Consumption in the Eighteenth Century

TF阅读真题第715篇Control of the Seas