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The Carboniferous period is when the plates started to hit which caused mountains to form. It also caused a lot of volcanic activity.

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www.thoughtco.com
www.NationalGeographic.com
www.Britannica.com
umcp.berkely.edu

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Trilobites were very populous

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The Paleozoic era is also called "The age of trilobites

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In the beginning, there were only two main land masses- Gondwana & Laurasia

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The second one happened during the permian period, and killed 90-95% of life on Earth

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The first one was during the ordovician period. An ice age had occurred and killed 70% of the life on earth.

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There were two mass extinctions occurred during this era

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During the carboniferous period, the first plants began to form as ferns along with the first trees

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The Silurian period brought salt deposits that made some water animals have to adapt to the land.

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Jawless fish became common during the middle of the era

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During the Ordovician period continents tore apart causing rifting in the oceans that caused large amounts of volcanic activity

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The first vertebrates on land were called tetrapods, and they ranged from lizard-like ones to snake-like ones

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Corals in the sea also flourished during this time period

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Animals like Arthropods and Mollusks were very populous. Fish came around in the Devonian period with specialized tissues for performing their body functions

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During the Cambrian period oceans flooded which then caused erosion on land.

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It was rotated 90 degrees clockwise along the paleoequator, and was separated from Gondwana by the Lapetus Ocean

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Another super continent was called Laurenita was made up of present-day North America and Green

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They were located where present-day Asia and South America are

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#6 Permian- ended in the worlds largest mass extinction 299 mya

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The majority of landmasses were gathered together to form Gondwana, a super continent made up of Africa, South America, Australia, and Antarctica

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#5 Carboniferous- towards the end of this period pangaea started to form

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But then went back to normal during the Silurian and Devonian periods

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The temperature became colder as the Ordovician Ice Age began

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#4 Devonian- known as the age of fish and the land started to change colors(plants, sediment etc.)

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#3 Silurian- The first animals appeared on land

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The climate during this era was mostly moderate, but became warmer over time.

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#2 Ordovician- Marine life flourished and the first primitive plants began to appear on land

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The Mesozoic Era followed it

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#1 Cambrian- Produced the most intense burst of evolution

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It follow followed the Precambrian Era

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The time range was from 542 MYA to 251 MYA

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By Alexis and Evelyn