(Read E.O. Wilson’s Britannica essay on mass extinction.) How well do you know dinosaurs? Find out by taking ourName that Dinosaur photo quiz. The namedinosaurcomes from the Greek wordsdeinos(“terrible” or “fearfully great”) andsauros(“reptile” or “lizard”). The English anatomist...
Looking back at the history of the Earth, thousands of animals have died out. Many animals disappear when their environment changes. For example, some scientists believe that dinosaurs died out because a large meteorite (陨石) fell on Earth from outer space. This changed the weather conditions ...
With the extinction of the dinosaurs, they finally had their opportunity to step out and live in the available niches. (1) What is the main idea of the passage? A.Mammals caused the extinction of dinosaurs by eating their eggs. B.Some species of animals have been replaced by others due...
fingers on its hands, and a long neck.Two types of Coelophysis fossils have been found, 'robust' and 'gracile.' These two forms probably represent males and females.Coelophysis lived during the late Triassic period, roughly 210 million years ago; it was one of the earliest-known dinosaurs. ...
The bat is (20) doubtless a better flying animal than the pterosaur, but the dolphin and whale are hardly more fishlike than the ichthyosaur. Many swift-running mam- mals of the plains, like the horse and the antelope, must excel any of the dinosaurs. The tyrannosaur...
In fact, dinosaurs were already disappearing by the time the asteroid struck.VIDEOReading Explorer -- Unit7: Videoasteroid n. 小行星 extinction n. 灭绝17However, several dinosaur species survived. Some are even relatives of today’s birds. The world has never again seen land creatures as great...
What are the different types of extinction?The die-off of the dinosaurs is different from the extinction of the dodo. See all videos for this article Utterly defenseless, great auks were killed byrapacioushunters for food and bait, particularly during the early 1800s. Enormous numbers were captu...
But in reality, many different things probably led to the dinosaurs’ extinction. In fact, dinosaurs were already disappearing by the time the asteroid struck. However, several dinosaur species survived. Some are even relatives of today’s birds. The world has never again seen land c 下载文档 ...
I don't know if dinosaurs co-existed with man at any one time but they were obviously here and serve a purpose for us now! Before the flood the earth would mist from what I understand and the first rain as we know it happened with the flood. Before that it could be that animals ...
Triassic: The first period of the Mesozoic era, following the Permian mass extinction and leading to the rise of dinosaurs. plateosaurus: One of the earliest known large herbivorous dinosaurs from the Late Triassic period. placerias: A genus ...