大约6600万年前,一颗直径约10公里的陨石冲撞了今天墨西哥的尤卡坦半岛地区,引发了严重的海啸、火山和地震,导致了恐龙的灭绝,也为哺乳动物的发展铺平了道路。动物世界的统治者发生了更替,那么,恐龙吃的那些植物又发生了什么变化昵?美国亚利桑那大学的科学家最近发现,那颗将恐龙赶尽杀绝的陨石,很大程度上也摧毁了恐龙常吃的常绿开花植物。与此同时,落叶 About 66 million years ago, a meteorite about 10 kilometers in diameter collided with the Yucatan region of Mexico today, causing serious tsunamis, volcanoes and earthquakes that led to the extinction of dinosaurs and paved the way for the development of mammals the way. What happened to the dinosaurs eating plants? Researchers at the University of Arizona recently discovered that the meteorite that riddles the dinosaurs has largely destroyed the dinosaurs often eaten Evergreen flowering plant. At the same time, fallen leaves