The Inuit And The ! Kung: Summary

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When divergent selection is in effect those species closely related, but unable to breed, evolve the ability to procreate within separate species; so with this in mind, Jerry Coyne gives a few examples of this in nature. First, of the million types of species, each carrying their own unique traits all evolved from one common ancestor. In brief, to similar flowers split by a geographical barrier evolves into two separate species of similar flowers with the inability to pollinate each other, is an example of divergent selection. After all, Jerry Coyne compares the Inuit and the !Kung to show the difference between two of the same species, with different traits that are able to be passed on through procreation. Very similar to the comparison of a cat and a lion, but the opposite of a dog and a cat, because the ability to procreate. …show more content…

Isolation is important for splitting of species, because it is very difficult if there is interbreeding. Generally, prediction are used from the geographic speciation to test this theory, however it has been proven true by using the fossil record and DNA sequencing. Next, we have sympatric speciation and it involves the change of species while maintaining the same area. Geographic speciation is more common that sympatric speciation, and can be witnessed in nature more often. In short, I feel like Jerry Coyne gave quite a bit of evidence proving divergent speciation, or splitting of a species. This chapter goes into more of the splitting of species, into separate totally different species, controlled by things like geographical barriers. I personally learned quite a bit in this chapter about evolutions theory of speciation, and have enjoyed learning a different view about our

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