Before the Dino EraIn the PBaeggein1ning WhePreagitea2ll beganBy. Karissa Finley , Adeline Crosby, Jake Jensen And Jade Wadsworth
The paleozoic era The Paleozoic Era was a time of great change to ourplanet. It was as long as 542 million years ago to 251 million years ago. This was the longest and oldest era in historyNew lifeforms firststarted toemerge inthis era 1
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Where it all beganTwo of the This is the Eramost where the earthimportant finally becameevents for alive.animalshappened in Plants firstthis time becameperiod. widespread 3
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Cambrian Period The period This period had lasted was the first about 53 time period ofmillion years the paleozoicand marked adramatic burst era. of evolutionary changes in life on earth 5
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Ordovician Period Second Earth’s period of first coral this era reefsOrdovician rocks have the lasted almost 45 million distinction of years occuring at thehighest elevation on earth7
Image of land in middle OrdovicianAnimals that were alive during Ordovician Fossiliferous limestone slab from the Liberty Formation (Upper Ordovician) of Caesar Creek State Park near Waynesville, Ohio 8
Silurian Period Earth Coral reefs underwent made theirconsiderablechanges. One first result of appearance these a remarkablechanges was time in the the melting evolution of of large fishes. glacial formations. 9
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Devonian Period two major three major animal continental groups masses: North America and colonized Europe sat the land. together near the equator, withDevonian seas much of theirwere dominated current areaby brachiopods covered by shallow seas. To the north lay a portion of modern Siberia. 11
brachiopodsDunkleosteus, one ofthe largest armouredfish ever to roam theplanet, lived duringthe late Devonian What the earth looked like in Early devonian 12
Carboniferous Period The term \"Carboniferous\" comes from England, in reference to the rich deposits of coal that occur there.New plants Sea levels:and animals Higher (120 emerged meters above theMajor climate changes current level)13
Hibbertopterus What the earthlooked like in thelate carboniferous 14
Permian PeriodThe Permian period endsthe Paleolithic Era,ending 90% of all thespecies in this time. 15
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In the endCambrian explosion, an extraordinarydiversification of marine animals, and endedabout 252 million years ago with theend-permian extinction,the greatest extinction of all time 17
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