Dinosaurs are still here, says SB County MuseumStephen Wall
Today, the idea that dinosaurs evolved into birds is back in the scientific forefront — but there's ongoing debate about their metabolism. Here's a run-down of some common arguments: The Case for Endothermic Dinosaurs Birds evolved from dinosaurs, so they must have inherited their warm-blooded...
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【题目】Dinosaurs suddenly disappeared about 65 million years ago. T here are a lot of theories onwhy they died out. And the most famous is the asteroid(小行星)theory.Many scientists think that at that time a 10-kilometre-wide asteroid hit the Earth. It brokethe Earth's outer covering, ...
cities,andeventowalkamongdinosaurs. Finally,inaworldwheremanypeoplesuffer fromstressanddepressionduetooverwork,virtualtourism mayprovideacheapandconvenient wayforpeopletotakebriefholidaystootherwise unreachabledestinationsandrechargetheirbatteries,withouteverleavingtheirhomes. Itsoundslikesciencefictionbutit?salready happen...
These reptiles have roamed the oceans for 100 million years. We've put them at risk, but with a little help, they're rebounding.
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For all the talk about there being a lot of dinosaurs – and I’m speaking here of fossil non-bird dinosaurs from the Mesozoic Era –andabout this being a golden age where discovery rates are at an all-time high, the fact is that there really aren’t that many dinosaurs at all. ...
Today, all non-avian dinosaurs are long extinct. But are birds still considered to be true dinosaurs? Related: How Did Dinosaurs Communicate? In a word: Yes. "Birds are living dinosaurs, just as we are mammals," said Julia Clarke, a paleontologist studying the evolution of flight and a ...