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Jurassic Period

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by

Mohammed Mamdani

on 10 October 2012

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Transcript of Jurassic Period

Zain Ahmad & Mohammed Mamdani Jurassic Period Environment Organisms First Seen Organisms that went extinct during that time Evidence of these organisms Organisms Still Found Today Greener and more lush than the Triassic period
Wider variety of vegetation
Tall tree ferns made up second understory of trees
Smaller ferns and horsetails were most common low growing plant Sauropods
Diplodocus
Brachiosaurus
Apatosaurus Land Animals Other Herbivore Dinosaurs
Plated Stegosaurus Predatory Dinosaurs
Allosaurus
Dilophosaurus Marine Animals Ichthyosaurs
Plesiosaurs
Cephalopods
ammonites
belemnites Plankton
Dinoflagellates
Coccolithophorids Land Plants
Conifers
Ferns
Ginkgoes
bennettitaleans
Cycads Birds
Archaeopteryx Plesiosaurus
Archaeopteryx
Apatosarus
Brachiosaurus
Ichthyosaur Fossils
sauropod fossils are often found in wet environments
plant fossils were preserved by amber or animal/dinosaur feces
Skeletons
Brachiosaurus and Allosaurus skeletons have been found in the mountainous regions of the United States and Tanzania Cycads
Conifers
Ginkgo (only in china)
Cephalopods then were precursors to today's mollusks and snails 200 to 145 million years ago Works Cited http://www.ucmp.berkeley.edu/mesozoic/jurassic/jurassiclife.html

http://www.jurassictimes.com/jurassic-period-plants

http://wiki.answers.com/Q/What_animals_became_extinct_in_the_Jurassic_period

http://www.ehow.com/info_8657571_jurassic-animals-went-extinct.html

http://www.enchantedlearning.com/subjects/dinosaurs/plants/
Full transcript