Tyrannosaurus rex: Predator or Scavenger? Tyrannosaurus rex was among the largest of the theropods, a group of mostly carnivorous (meat-eating) dinosaurs that roamed the Earth dur...

  Periglacial Mounds   Periglacial regions are cold-climate areas that are located near the margins of glaciers-permanent ice sheets covering parts of the Arctic and ot...

WS 032C2

Early Food Production in Africa   Farming appeared in Africa by 5000 B.c.E. Eventually, several different styles of food production developed. These variations were caused by ...

TF阅读真题第858篇Late Classic Maya Agriculture

Insect Colony Movement     In general, colonies of social insects such as bees or ants move either to change nesting sites when the current site deteriorates in quality,...

重复时间 2024-06-18 2024-09-28 2025-02-22 Equestrian Portraits in the Eighteenth and Nineteenth Centuries     It was common for European rulers from the eighteenth ...

TF阅读真题第845篇Urbanization of Japan

TF阅读真题第831篇Jupiter's Moon lo

TF阅读真题第834篇Group living