Mesozoic Era- Earth Science
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Transcript of Mesozoic Era- Earth Science
MESOZOIC ERAAge of the Reptiles
MESOZOIC ERA
TriassicJurassic
Cretaceous
Triassic Period• First period during the Age of Reptiles.• plants such as ferns and cycads flourished.• ammonites evolved in the seas.• first true mammals evolved.
CYCADS
CYCADS
AMMONITE
MEGAZOSTRODON
PLACODUS
RUTIODONHOME
Jurassic Period• on the land, dinosaurs thrive.• the first bird appeared.• mammal-like reptiles become extinct.• abundance of ammonites.
CRINOIDS
ARCHAEOPTERYX
STEGOSUARUS
SCELIDOSAURUS
ICHTHYOSAURHOME
CretaceousPeriod• closing and the longest period of this era.• abundance of armored and horned dinosaurs.• appearance of flying reptiles.• angiosperms first appeared.• mass extinction at the end of this period.
TYRANNOSAURUS-REX
PTERANODON
TRICERATOPS
KENTROSUARUS
REBBACHISAURUS
MOSASAUR
ARCHELON
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