5.根据A recent study shows that at that time two asteroids moving between Mars and Jupiter hit each other and sent many huge rocks to the Earth, including the ones that killed the dinosaurs.最近的一项研究表明,当时火星和木星之间的两颗小行星相互撞击,并将许多巨大的岩石送入地球,其中包括杀死恐龙的那些。可知...
long.But some sharks are very small.The dwarf shark is only 6 inches long.Sharks are 100 million years old.In fact,they lived at the same time as dinosaurs.Dinosaurs have already disappeared from the earth,but today we still see sharks live in every ocean,especially those with warm water....
Are there any flying dinosaurs? They were thepterosaurswhich included Plesiosaurus, Pteranodon, Pterodactylus, Dimorphodon, Rhamphorhynchus, Quetzalcoatlus, and many others. (pronounced TER-o-SAWRS) Pterosaurs (meaning "winged lizard") were flying, prehistoric reptiles. They were not dinosaurs, but ...
Both crocodiles and dinosaurs came from the crown group Archosaurs, which were reptiles that included birds, crocodiles, pterosaurs, and dinosaurs. Crocodilesandalligatorsare sometimes referred to as “Living Fossils” because they look a lot like dinosaurs. Think about a T-Rex for a minute. They...
It is a natural process of animal species to become extinct (e.g. dinosaurs, dodos etc.). There is no reason why people should try to stop this from happening. Do you agree or disagree? Give reasons for your answer and include any relevant examples from your own knowledge or experience....
How can you pick one you'll really like? Here are some tips:● What makes you happy? 36 Are you really into dinosaurs or dogs or a specific person? Are there a few careers you're interested in? You can find books about almost anything you like, and you're more likely to enjoy ...
Dinosaurs died out about 64 million years ago, but there are some animals today that danger. We call them endangered animals.Only a few pandas still live in China. These black and white animals who eat bamboo is endangered because people cut down the bamboo forests that provided (提供) ...
Was it a meteorite impact, a volcanic eruption or something completely different that led to the extinction of the dinosaurs? Even today, researchers still cannot agree on why the dinosaurs disappeared so suddenly 65 million years ago. But you should know that “suddenly” is very relative, beca...
These reptiles have roamed the oceans for 100 million years. We've put them at risk, but with a little help, they're rebounding.
Today, there are approximately 10,000 bird species worldwide. Birds might be as tiny as a hummingbird or as big as an ostrich; they might soar like an eagle or dive like a penguin. Nevertheless, they still belong to the same group of theropod dinosaurs that hatched Archaeopteryx 150 millio...