FACTS ABOUT CRETACEOUS PERIOD

Cretaceous period that belongs to the Mesozoic era lasted 65 to 145 million years during which the oxygen level was nearly 30% that’s 9% more than the present level. Although Mesozoic Era was well known for Dinosaur’s dominance they all vanished by the end of Cretaceous period. Yet! Cretaceous period served as a best period for all kind of biome and all kind of organisms like Ferns, Conifers, Cycads, Sauropods, Spinosaurus, Triceratops and so on……

' Asteroid hit ' might be true or not but one fact is proved to be the truth that’s the shifted continents expanded the coasts and widened oceans which cooled and moistened the Earth; that led to the dramatic extinction of huge flora and fauna which was unexpected. Even though Cretaceous period gave birth to new species in new land forms it did not turn to be the everlasting emergence or birth place .