Is a Stegosaurus a saurischian or ornithischian dinosaur? What is the biggest theropod? What did the Apatosaurus eat? What dinosaur was the top predator during the Jurassic Period? What was the Spinosaurus' hab
What is the oldest dinosaur fossil? Answer and Explanation:1 Dinosaurs first roamed the Earth during the Triassic period of the Mesozoic Era on the geological time scale. The Triassic period occurred from about... Learn more about this topic: ...
Mesozoic Era The three time periods of the Mesozoic Era are separated by extinction events or geological transformations that caused a significant change in the organic makeup or environmental conditions of the world. The Triassic period, Jurassic period, and Cretaceous period each encompass about 50 ...
When the dinosaurs lived, the Earth’s continents were jammed together into a supercontinent called Pangaea and the Earth was warmer than it is now. The dinosaurs dominated the Earth for over 165 million years during theMesozoic Era, but mysteriously went extinct 65 million years ago.Paleontologist...
Other than birds, however,there is no scientific evidence that any dinosaurs, such as Tyrannosaurus, Velociraptor, Apatosaurus, Stegosaurus, or Triceratops, are still alive. These, and all other non-avian dinosaurs became extinct at least 65 million years ago at the end of the Cretaceous Period....
The Triassic Period is a geological time period that spanned between around 246 and 206 million years ago. This period is part of the Mesozoic Era and...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your ...
What is the habitat of the rhinoceros? Was Spinosaurus a theropod? What period did spinosaurus live in? What is a pteranodon? What is the black rhino's habitat? What were the predators of Stegosaurus? What is a sauropod dinosaur? What is the Komodo dragon's habitat?
What period of the Mesozoic Era did mammals first appear? What species existed before the Cretaceous mass extinction? What animals evolved after the Permian extinction? Which large animals were wiped out by the Cretaceous extinction? What dinosaurs were in the Triassic period?
What kind of dinosaur is a raptor? What do Galapagos iguanas eat? What animals are still alive from the Jurassic Period? What do sandhill cranes eat? What were the predators of Stegosaurus? What famous carnivorous dinosaur lived in the late Jurassic Period?
What is an example of paleontology? What is a stegosaurus? Were theropods ornithischians? What animals went extinct in the Mesozoic era? What dinosaurs were in the Triassic period? How did great apes evolve? Which theropods had horns?