8 小时
来自MSNScientists Solve the Mystery of the Underwater Event That Wiped Out 90 Percent of Life on EarthThe new study deciphered the single-most greatest mass extinction on Earth driven by a natural calamity that still exists.
"But it may be the best place to see the terrestrial realm's transition from the Permian to the Triassic period." We ascended through sheep-ranching country toward the Lootsberg Pass. The rocks ...
3 个月
IFLScience on MSNThe Largest Extinction Event In Earth's History Occurred 250 Million Years AgoTravel back in time even further to around 250 million years ago, and the Great Dying – more formally known as the ...
The period of time before the Triassic was called the Permian. This was a time when a wide variety of animals lived, including a group of animals called the synapsids, which would later evolve ...
By the start of the Triassic, all the Earth's landmasses had ... and sea urchins that survived the Permian extinction and were quickly diversifying. The first corals appeared, though other reef ...
Life in the Triassic period had a rough start. In the Permian period before, the largest mass extinction event in Earth’s history had just taken place. Despite the widespread devastation ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果