“Evidence supporting evolution theory” Finches
Scientists witness evolution for the first time on the Galapagos islands. Two decades of drought cause a decrease in the amought of food on the Galapagos Islands. There were two kinds of Finches on the island the first type had a larger beak and the second type had a smaller beak. The smaller beaked finch got on the island a long time before the new larger beaked Finch arrived which was not to long before the drought destroyed their food supply. The smaller beaked Finch were able to eat smaller seeds. The larger beaked finch was only able to eat larger seeds. The larger seeds were the seeds the native finches have eaten for many years before the occurrence of this drought. Do to the drought the amought of seeds on the island had decreased. Because there was fewer big seeds the larger beaked finch that arrived on the island during the drought was almost extinct because the supply of larger seeds decreased and that’s all they were able to eat. The smaller finches were doing a lot better because they were able to eat the smaller seeds in which there was a lot more of. They were able to eat the smaller seeds because they decreased their beak size down to a smaller size in two decades to better them selves against the drought. In the end, the smaller beaked finches survived and the big beaked finches almost became extinct. This shows evolution because the native bird was able to quickly evolve a smaller beak, which was a more favorable trait for the situation the birds were in. This shows that the birds adapted to there surroundings. Adaptation is one of the principles behind Darwin’s theory of evolution. This event helped to more prove that the evidence behind Darwin’s theory of evolution was correct.