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The Cambrian Period - Online Term Paper

The Cambrian Period

During a lot of things happened both geologically
and biologically. The Cambrian Period was the first period of the Paleozoic
Era, it lasted from 570 million years ago to 500 million years ago, 70 million
years. It�s very important because it corresponds with the firs t appearance of
abundant fossils especially Trilobites, which characterizes a succeeding point
in time. During the Cambrian Period the lapetus Ocean appeared, the
predecessor of the Atlantic Ocean, which separated the young North American and
Eurasian continents. Also Gondwanaland was in the final stages of development.
Gondwanaland was a very large continent made up of what is now South America,
Africa, Arabia, ...

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arthropods Trilobites
had primitive ,unspecialized appendages. Brachiopods are simple bi- valve
shellfish that resemble clams. During the Cambrian corals and chrinoids
emerged. Chrinoids are sea animals of the class chrinoidea like the sea lily
and the feather star. The only plant life of the Cambrian period were
primitive ...

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The Cambrian Period. (2004, September 10). Retrieved November 30, 2024, from http://www.essayworld.com/essays/The-Cambrian-Period/14097

"The Cambrian Period." Essayworld.com. Essayworld.com, 10 Sep. 2004. Web. 30 Nov. 2024. <http://www.essayworld.com/essays/The-Cambrian-Period/14097>

"The Cambrian Period." Essayworld.com. September 10, 2004. Accessed November 30, 2024. http://www.essayworld.com/essays/The-Cambrian-Period/14097.

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PAPER DETAILS

Added: 9/10/2004 12:24:59 AM
Category: Science & Nature
Type: Premium Paper
Words: 231
Pages: 1

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