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....
What Earth Was Like Just Before the Dinosaurs?: The Permian-Triassic extinction a quarter billion years ago marks the beginning of the age of dinosaurs. But it was tens of millions of year later that life could get back to normal because the super contin
During the first seven months of its life, ablue whale can put on as much as 90 kg every 24hours.Most people believe that the largest animal toever7 on the earth was the dinosaur(恐龙)However, one of the largest 8 weighed onlyabout 80 tons. That's just a little more than half ...
What Was the Age of the Dinosaurs?Gregory Copeland
D. Currently, scientists broadly agree on why dinosaurs disappeared. E. Even so, scientists have found soft tissue in dinosaur bones before. F. Such an event would be deadly to animals as large as the dinosaurs.G. The result was big changes in the weather and severe pollution of our ...
Learn about life on Earth before humans made an appearance inWhat the Dinosaurs Saw, by author/illustrator Fatti Burke. Our whole universe began as a tiny dot, filled with so much hot, dense energy that it burst. This event was the Big Bang, and from the remnants of that explosion, our...
xiii. Skull bones distinguish dinosaurs from other archosaurs Questions 22-24 Complete the sentences below. UseNO MORE THAN THREE WORDSfrom the passage for each blank space. Write your answers in blank spaces next to 22-24 on your answer sheet. ...
A lot of debris falls from the sky. B. Watch again. Complete each sentence with a number or word.65 million years ago, an asteroid crashed into Earth.1. It was kilometers wide.2. It killed the dinosaurs and% of all other life.3. It caused a shockwave that killed anything within ...
Dinosaurs ruled the Earth millions of years ago, and while many were peaceful herbivores, others were some of the most dangerous animals to ever walk the planet.
may be the reason. They have come up with lots of ideas to explain the end of the dinosaurs. The most famous one is the minor planet (小行星) idea. Everything Was OK before a large minor planet suddenly hit the earth. What a terrible hit! It caused big fires, storms, acid rain,...