The dinosaurs roamed the earth for more than 150 million years. The Mesozoic Era, lasting from about 252 MYA to 66 MYA, marks the time of the dinosaurs (i.e. archosaurian reptiles). Many other species that still exist in some form today, like conifers and ferns, also found prominence d...
A lot of dinosaurs species went extinct before the start of the Cretaceous period. The majority of them were extinct during the Triassic-Jurassic...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
Dinosaurs were only a small part-the disappearance of other living things was so great that scientists knew about the extinction 30 years before the first dinosaur was described. The victims of the Cretaceous extinction included dinosaurs, ammonites (mollusks related to the octopus and the chambered...
How did the Mesozoic era end? What geological events occurred during the Cretaceous Period? What 3 periods make up the Mesozoic Era? What is the last period of the Mesozoic Era? What happened in the Cretaceous period? In what period of the Mesozoic Era did dinosaurs first appear?
For over four decades, scholars have developed the field of entertainment science, establishing a thorough understanding of the business behind filmed, rec
Today, the odds of a similarly large asteroid hitting the Earth are literally millions to one, and the odds back then were just as great.But what if the asteroid had missed? Would the dinosaurs still be around today? Would they still dominate? Would we and the rest of the mammals still...
So when researchers examined fossilized remains of nests, they found that the dinosaurs had larger clutch volumes, more eggs in the nests that is, than most of the crocodiles and birds that were studied. But, and this is important, their clutch volumes matched those of birds that have only ...
method of reproduction, and other attributes. Some types of shark are very rare (like thegreat white sharkand themegamouth) and some are quite common (like thedogfish sharkandbull shark). Sharks belong to the group of cartilagenous fish, the Elasmobranchii, that includes the sharks,rays, and...
参观博物馆的理由大学英语作文 篇3 Both sides of the door in the museum, were two mighty big dinosaurs, as if to welcome our arrival, into the museum, we first toured the aquarium. Aquarium lights are shining dark blue, wavy line on the wall there is a road, as if we are deep guest...
July and August were the hottest three month period on record. There have been extreme heatwaves on three continents. Huge temperature anomalies in parts of the ocean, millions of people breathing smoke from massive wildfires in Canada. Antarctic sea ice has reached new record lows. How are y...