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Beginning in the 18th hundred years, the idea of paleontology was set up and was created in the 19tl hundred years further. Paleontology is the scholarly study of prehistoric life, including organisms’ evolution and interactions with one another and the environment around them. It’s also the research of previous fossil information of previous geological intervals and romantic relationships between historic and contemporary day time varieties. Although it is usually a field of biology, it provides also been connected with geology due to the attempt to find out about the Globe itself, not its organisms just. This field tries to describe causes instead of observing effects by conducting experiments. The usage of paleontology was and still is an extremely important aspect in identifying organisms from the Paleozoic Era, a right time period in which extinction and evolution collided with each other, today helping to form the biological world we know. The Paleozoic Era started about 542 million years ago and lasted for about 291 million years. It was divided into six parts known as the Cambrian, Ordovician, Silurian, Devonian, Carboniferous, and Permian. The oldest subdivision of the Paleozoic Period was the Cambrian period, which is also important to paleontologists since the rocks from this right time are rich in fossils. During this period, evolution hit its peak, and for about 40 million years animal body plans were rapidly changing (Williams et al, 2007). Because of the unexpected growing market of variety during this period, it all can be known to as the Cambrian light or Cambrian surge occasionally. Many of the species that existed during this right time period were marine organisms, because at the beginning of the Cambrian period mainly, life was confined to the oceans. The development during this correct period period can be...