Evolution

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Essay on Evolution

        There argon many apparatuss that lead to evolutionary depart. One of the

most important mechanism in evolution is natural selection which is the

differential success in the reproduction of different phenotypes resulting from the

interaction of organisms with their environment. Natural selection occurs when a

environment makes a idiosyncratic adapt to that certain environment by variations

that arise by pas seul and factortic recombination. Also it favors certain traits in a

individual than former(a) traits so that these favored traits will be presented in the

next generation. other mechanism of evolution is genetic drift. inherited drift is

a hit-or-miss change in a small gene jackpot due to sampling errors in propagation of

alleles or chance. ancestral drift depends greatly on the size of the gene pocket billiards. If

the gene pool is large, the better it will represent the gene pool of the previous

generation. If it is small, its gene pool may not be accurately represented in the

next generation due to sampling error. Genetic drift usually occurs in small

races that contain less than carbon individuals, that in large populations drift

may feature no substantial effect on the population.



Another mechanism is gene

flow which is when a population may gain or lose alleles by the migration of

fertile individuals in the midst of populations. This may cause the allele frequencies in

a gene pool to change and allow the organism to evolve. The most obvious

mechanism would have to be mutation that arises in the gene pool of a

population or individual. It is also the pilot burner source of the genetic variation that

serves as raw temporal for natural selection.

        Not only are there mechanisms of evolution, but there is also evidence to

prove that these mechanisms are valid and have helped create the...

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