mesozoic era
DESCRIPTION
MESOZOIC ERA. Presented by: Natalia Agudelo Juan Sebastián Landázuri Daniela González Rojas Fabio Baena. HOW IS DIVIDED?. Triassic = Age of reptiles Start 284 million years ego Cover 35 years Jurassic = - PowerPoint PPT PresentationTRANSCRIPT
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MESOZOIC ERAPresented by: Natalia Agudelo Juan Sebastián Landázuri Daniela González Rojas Fabio Baena
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Triassic= Age of reptiles Start 284 million years ego Cover 35 years
Jurassic= Begins 213 million years ego Cover 69 million years
Cretaceous= Is the longest period Start 114 million years egoCover 79 million years
HOW IS DIVIDED?
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3
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The First period “Age of reptiles”
Crocodiles, turtles. The earliest mammals evolved.
Small sizes (like a mouse) Permanent extinction=extreme natural conditions
TRIASSIC PERIOD1
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The environment in all the periodVolcano eruptionGlobal coolingSeparation of the tectonic floor.
Extra= coral was already in the ocean it survive the terminal extinction
ENVIRONMENT
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Dinosaurs were the most common animalThey rule about 150
million years in all the times
They evolved ( Archaeopteryx)
JURASSIC PERIOD2
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At all the JurassicHot and dryThe season were more notariesFlower plants evolvedThe laurasia and gondwana separation
Extra= sharks, rays, ammonites and crocodiles appear.
ENVIRONMENT
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The longest period The reptiles still rule
Giants Sauropod Massive extinction
(more than half of the animals and plants)=asteroid
Ouranosaurus
Mosasaurus
3 CRETASEOUS PERIOD
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The beginning Warm temperatureNo polar iceSea levels were high
At the endSeveral climate changesVolcanic eruptionSea levels were lower
ENVIRONMENT
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Triassic period
Jurassic period
Cretaceous period
laurasia
Gondwana
PANGEA
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Bibilografy Jesuit University. Geological Time.
http://www.cotf.edu/ete/modules/msese/earthsysflr/mesozoic.html. April 28, 2005
Col, Jeananda. Zoomdinosaurs. http://www.enchantedlearning.com/subjects/dinosaurs/mesozoic/cretaceous/ .1996
Col, Jeananda. Zoomdinosaurs. http://www.enchantedlearning.com/subjects/dinosaurs/mesozoic/triassic/ .1996
Col, Jeananda. Zoomdinosaurs. http://www.enchantedlearning.com/subjects/dinosaurs/mesozoic/jurassic/ .1996
http://www.bobainsworth.com/fossil/mesozoic.htm 01/08/2011 http://www.youtube.com/watch?v=Mt6ip7xD3ZI