The Cretaceous Period
In the Cretaceous Period started when the Jurassic period ended, which was specifically 144 , 000, 000 years ago and was likewise longer than any other period, reaching to approximately 66 million years. The Cretaceous period as well marks the end of the Dinosaurs, who were destroyed by the meteorite that hit the earth 66 million yrs ago.
In the Cretaceous Period there is a newly discovered chicken or glider called, The Microraptor Gui or often known as The Ice age with Four Wings, that has been believed to display how chickens evolved from a grouping of small dinosaurs called dromaeosaurs. The Microraptor guiВ was discovered in the Jiufotang Formation in western Liaoning, China. The Microraptor Gui is 77 cm in length and provides four wings. What's several about this species is that it has a wing to each of their hind braches.
On January 23 inside the issue with the journalВ Nature, Xu Xing, a paleontologist in the Institute of Vertebrate Paleontology and Paleoanthropology in Beijing, China, says that in theВ the types was an early ancestor of birds that a majority of likely applied its feathered limbs, along with its long feather-fringed tail, to rise from tree to tree.
The dominant existence in the Cretaceous Period was your dinosaurs in addition they branched in to recently less-dominant kinds like horned dinosaurs. There were also bugs, birds, as well as mammals whilst they were the tiniest animal your life at the time period.
Early Cretaceous Period is where plant life, also known as Angiosperms, 1st began to flower, this triggered a growth in insects populations. The climate was the coldest for the Mesozoic instances as glaciers appeared at the poles. Due to the steady boost of CO2 levels the cooler weather conditions was removed and a warming period replaced it.
Morris, J. E. " The Cretaceous PeriodВ Home Page. " В Eons and Epochs Home-page. Web. 35 Aug. 2011.. Mayell, Hillary. " Four-Winged...
Cited: Morris, J. Elizabeth. " The Cretaceous PeriodВ Home Page. " В Eons and Epochs Webpage. Web. 35 Aug. 2011..
Mayell, Hillary. " Four-Winged Dinosaurs Found in China, Professionals Announce. вЂќ National Geographic News. twenty-two January 2003. April 5 2003. В
" Microraptor Gui: The Dinosaur with Four Wings. " В 123HelpMe. com. 40 Aug 2011В