The Earth is over 4 billion years old and the dinosaurs were dominant some 200-250 million years ago. It is safe to say that there was extensive life present on Earth before the dinosaurs as some of that life had to evolve into the dinosaurs....
So not all of them are dangerous. They lived on Earth for about 135 million years. Nowadays scientists study dinosaur bones and eggs to get information. Scientists used to think dinosaurs were slow and stupid. But now we know that many of them were fast and powerful....
(5) Dinosaurs were a diverse group of reptiles that lived during the Mesozoic Era, which lasted from about 252 to 66 million years ago. They were the dominant terrestrial vertebrates for over 160 million years, and they came in a wide variety of shapes and sizes, ranging from small, bird...
Dinosaurs lived on Earth more than 60million years before human beings.They lived everywhere on Earth.Some dinosaurs were as small as chickens.Others were as big as ten elephants.Some could even fly.恐龙比人类早6000多万年生活在地球上。它们生活在地球上的每一个角落。一些恐龙像鸡一样...
What was on Earth before dinosaurs? What dinosaurs lived in Australia? How many species of hominin coexisted 100,000 years ago? What is the common ancestor of all animals? What kind of fossils can tell scientists what dinosaurs ate?
Firstly, what were dinosaurs? Dinosaurs lived on Earth a long time age; some dinosaurs were huge and had long tails-they were bigger than a whole family of elephants. Others were very small-they were about the size of a chicken. Not all dinosaurs ate meat. Some just ate plants. Not all...
Dinosaurs lived___than___.(1) on Earth在地球上对比:on earth究竟、到底(口语)eg. What do you m
The question asks about the fate of dinosaurs on Earth. * A. They got sick. While some dinosaurs might have gotten sick, this is not the primary reason for their extinction. * B. They were in danger. This is too general. While true, it doesn't explain what happened to them. * C....
What animals lived during the Cretaceous period? What was the largest dinosaur predator? What was the fastest dinosaur? What was the biggest raptor dinosaur? What was on Earth before dinosaurs? What are the oldest Homo sapiens known for?
What was the dominant species on Earth before dinosaurs? Was Spinosaurus a theropod? What animals lived in the Mesozoic era? What were the dominant trees of the Triassic and Jurassic? Were Ankylosaurus a kind of dinosaur? What did the Allosaurus eat?