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Monday, December 23, 2013

Evidence Of Evolution

Evidence for Evolution Evolution is defined as the diversify in genetic material of a population of organisms from integrity coevals to the next. tout ensemble living organisms are evolved from a coarse ancestor. in that respect are many opposite lineaments of distinguish for evolution, including biogeography, homology, and fossil records. These varied types of evidence, in their own way, utter that sophisticated species are descendents from inherited species with variations in their genes. The idea that organisms are geographically distri neverthelessed throughout the human being is known as biogeography. certain organisms that are in extreme locations seem to be closely related. This is due to continental ball up and the separation of Pangaea, which was once a large continent that stony-broke up into different landmasses. For example, the ostrich and the electromagnetic unit closely agree from each one other and may have been in the aforementioned(prenomi nal) species millions of years ago, but they were separated and the ostrich became native to Africa and the emu became native to Australia. some(prenominal) adapted to their environments overtime and eventually evolved into 2 different species. Continental drift of the landmasses was a factor that contributed to this. This is how biogeography supports the possibility of evolution. Another type of evidence for evolution is homology.
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Homology is the characteristics of related species share similarity in structure but differences in function. The homological structures of a whales fin, a human arm, a bats wing, and a cats leg show similarity in bone structur! e, signifi keepce that they have the same(p) accord from the shoulder to the tips of the digits. However, these forelimbs of each mammal have different functions (i.e., swimming, lifting, flying, and walking). Homologies can also be find at the molecular level. All living organisms have the same genetic oral communication for desoxyribonucleic acid and RNA, which are cytosine, guanine, adenine (DNA and RNA), deoxythymidine monophosphate (DNA) and uracil (RNA). The genetic language is nearly universal, meaning that all...If you privation to get a plentiful essay, order it on our website: OrderCustomPaper.com

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