Triassic

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    New fossil evidence suggests that dinosaurs originated early in the Middle Triassic time period, during the recovery of life from the Permian-Triassic mass extinction (Benton et al. 2014). Transient episodes of unusually warm and wet conditions, interrupting long periods of cool and dry conditions, may have played a role in mass extinctions and long-term evolutionary trends (Retallack 2013). Although the Permo-Triassic mass extinction wiped out nearly 85% of species, the crises marked the beginning of the Mesozoic Era, a time period often associated with the Age of Reptiles (Benton et al. 2014). The Permo-Triassic extinction was likely a consequence of massive volcanic activity and consequent severe global warming, acid rain and ocean anoxia…

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    phone “Yes you are, what’s your name hun.” “Piper, my name is Piper, oh my god this is so cool” “Alright piper, here is your first question. True or false, the name dinosaur means ‘terrible lizard’?” “Oh man, um, oh geez, I will go with True” “DING DING DING, you are cooooorrect” “Oh my gawd, I had no idea that was totally a guess” “It was a good guess, ok, for your second question, A person who studies fossils and prehistoric life such as dinosaurs is known as a what?” “Oh, oh I know this one,…

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    The Mesozoic Era was a point in time about 252 to about 66 million years ago. During this era, there were three periods. The Triassic period, The Jurassic Period, and The Cretaceous period were all very significant in earth’s evolution. Not just in animals, but in land, plants, climate, and even insects. The Triassic period was the first period of the Mesozoic era and occurred between 251 and 200 million years ago. At this time the earth was very bare. The planet was recovering from an event…

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    supercontinent of Pangea had extreme cold weather the south was cold and dry, and the majority of the area was covered in ice caps. The northern area dealt with immense heat and moist and arid conditions. Also the swamp forests from the Carboniferous period were being replaced by gymnosperms plants. Also reptiles have developed a bit more and had thicker skin and other animals were developing and adapting to their climate. At the end of the period there was a sudden loss of life and it greatly…

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    Over 250 Million years ago an unexpected events happen that made the planet earth to transform radically. This event is known as the Permian Triassic Mass Extinction or also called by many the Great Dying. This mass extinction is known as the worst extinction comparing them to the Ordovician, Devonian and the Cretaceous Extinction. Some individuals are not award that the Permian –Triassic are two forming boundary between the end of the Permian and the beginning of the Triassic period. The…

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    I'm going to talk about the geologic evidence of the permian triassic extinction. This is a volcanic scenario. There are different geologic reasons for the permian triassic i'm going to tell you about them . During this period there has been documented changes in the air. The atmosphere went evey high which means high levels oxygen was about 30%. When it was low it was about 15%. In this time the salinity in the sea was filled with sharply during the period about 250 million years ago…

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    big and fast greenhouse gases releases, just like humans are causing today. The sudden global warming events were almost always extremely destructive towards life, causing mass extinctions such as at the end of the Triassic era. The Triassic period is the geologic time that ranges from about 251 to 199 million years ago; first period of the Mesozoic era, following the Permian and preceding the Jurassic period. Both the beginning and ending period of the Triassic are marked by major extinction…

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    INTRODUCTION The Permian-Triassic extinction is seen as one of the largest mass extinction in the history of life. According to the McGraw-Hill Dictionary (2003) it can be defined as a mass extinction event marking the division between the Permian Period and the Triassic Period as well as the border between the Palaeozoic and Mesozoic eras. It is estimated to have triggered the extinction of 90% or more of all ocean species, approximately 70% of land vertebrates, and significant extinctions of…

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    Five times in the history of Earth, mass extinctions of unimaginable death scale almost wiped out most of the life on the planet. The last event occurred 65 million years ago when Earth was impacted by an asteroid killing the dinosaurs and other organisms (70 per cent of the species). The deadliest of these extinction events happened more than 252 million years ago. The event is known as the Permian-Triassic Extinction Event or the “Great Dying” that killed around 90 per cent of all species on…

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    Despite this phenomenon, synapsids were still abundant (and in some cases dominant) throughout the Triassic Period. Therapsid predators remained dominant until the Middle Triassic, when diapsid archosaurs eventually overcame. Therapsid herbivores persisted until the Late Triassic, when both therapsid herbivores and carnivores declined again and nearly disappeared. The rise in diapsid abundance and dominance was coincident with the Triassic synapsid decline. The rise of the diapsids was slow, and…

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