Today I went to the Smithsonian Museum of Natural History. It was really cool. I really loved it because it had so many cool Paleozoic fossils, like Carycrinus, a four-foot-tall crinoid, andDunkleosteus, a giant armor-headed fish, and the spiral saw of the mysterious sharkHelicoprion. T...
©lifebeforethedinosaurs.com Opabinia searching for food. Opabinia's closest relative was the Australian Myoscolex. UnlikeOpabinia, it had no tail fan, and the eyes closest to the back had long stalks that curved backwards. So Myoscolex basically had eyes on the back of its head. And it ...
Insects are a very ancient group, going back well before the dinosaurs, and during the Cretaceous Period, the first social ants evolved and started to make colonies. The Eocene giants, Formicium giganteum, are the largest ants ever found, and their colonies must have had a dramatic impact on...
The article looks at the mass extinction at the end of the Permian geological period. 250 million years ago 75% of land species and 95% of ocean species were extinguished by some catastrophe. Scientists have theories on what actually happened that include a decline in seawater oxygen levels, ...
Billions of years ago, long before the dinosaurs, animals or even plants existed, the Earth had a watery environment of oxygen-free gases and chemicals known as the primordial soup. 数十亿年前,远在恐龙、动物甚至植物出现之前,地球上有一个由无氧气体和化学物质组成的水环境,即所谓的“原始汤”。
Inside Dinosaurs: A Broader Impacts Program for Research, Teaching and Public Education Through Dinosaur Biology, Physics and Evolution Inside Dinosaurs is a NSF‐funded, multi‐pronged broader impacts program that immerses undergraduate research interns, secondary‐school science teachers, and the public...
课文理解3. Why did dinosaurs disappear 65 million years ago?1. Why was life able to develop on the earth but not on otherA. Because the earth was too hot for them to live on.B. Because there was no food for them to eat.planets?A. The earth had a solid shape.C. Because the ...
Learn about life on Earth before humans made an appearance in What the Dinosaurs Saw, by author/illustrator Fatti Burke.
在恐龙时代之前数百万年 Millions of years before the age of dinosaurs... 我们的星球被同样神奇的巨兽统治着 our planet was ruled by equally magnificent beasts. 两个伟大的王朝已经崛起 Two great dynasties had emerged 并在争夺统治权 and were vying for domination. 本集将讲述陆地征服之战 This is ...
dinosaurs living on this planet a long time ago? 翻译结果5复制译文编辑译文朗读译文返回顶部 Dinosaur very long before lives on Earth? 相关内容 a“rolled out” to a binding component in the solar area “展开”对一个约束组分在太阳区域 [translate] a在。。。试用 In.。。Test [translate] a来奖...