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Importance Of Fossils

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Lack of immediate burial in sediments or on the sea bottom after the organism has died, be it an animal or vegetal organism, is the most important barrier for preservation of the organism. Physical, chemical and biological decomposition has to be avoided in order to obtain well preserved and complete fossils.

The fossils provide information about the history of life of the organism on earth, what the organisms looked like, where and when they lived, how they lived and evolved.
Fossils are the preserved remains or traces of animals, plants, and other organisms from the past.
Fossils are important evidence for evolution because they show that life on earth was once different from life found on earth today.
Usually only a portion of an organism is preserved as a fossil, such …show more content…

Paleontologists can determine the age of fossils using methods like radiometric dating and categorize them to determine the evolutionary relationships between organisms.

Source: Boundless. “The Fossil Record as Evidence for Evolution.” Boundless Biology Boundless, 08 Aug. 2016. Retrieved 18 Dec. 2016 from https://www.boundless.com/biology/textbooks/boundless-biology-textbook/evolution-and-the-origin-of-species-18/evidence-of-evolution-129/the-fossil-record-as-evidence-for-evolution-521-13099/ As to what types of organisms make the best preserved fossils we can divide the fossilized organisms in two major groups, micro organisms and macro organisms. As to the type of fossilization, we are talking about several major groups of fossils. They are: 1) Body fossils where original preservations are

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