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Species During the Formation of Earth

Date Submitted: 09/25/2002 04:53:02
Category: / Science & Technology
Length: 2 pages (500 words)
Earth has went through lots of changes ,in species, from there just being algi and eboli to there being massive dinosaurs. The earths time is set up in to different periods they are; the Cambrian period, Ordovician period, Silurian period,Devonianperiod,Carboniferous period, Permian period, Mesozoic Era, the Triassic period, Cretaceous period, and the Jurassic period. In all of these periods there is something different about wildlife The Cambrian is the first I want to …
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…changed some having pine.But,none had flowers. The Jurassic,Cretaceous,and periods had lots of life not just dinosaurs. The triceratops and the tyrannosaurusrexhad not yetcame.But,therewere Brachiosaurs,Apatosaurus,Allosaurs,and Dilophosaurus.Squids and octopus showed up. Birds came up. The first plants whit a flower was called the Anthophyta. There were a lot of life and still is all we can do is take history and see what else happens to life.
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