Saturday, November 9, 2013

Theory Of Evolution

Will Porter 3/26/10 Mrs. Rotsel rate of flow 3 Persuasive Essay-Evolution What is possible action of ontogenesis by natural selection? Well, evolution is sort oer clock time and natural selection is a utensil in which individuals that afford inherited beneficial fitations survive agelong and rescue more(prenominal) offspring. Scientist use many pieces of evidence that possible action of evolution by natural selection including studying adaptation, homologic structures, and vestigial structures. These pieces of evidence help me believe in the theory of evolution. When Charles Darwin (the former of theory of evolution) made his journey to the Galapagos Islands off the border of Ecuador, he noticed something strange. The Finches on every island were very incompatible. They both had various billhooks with different shapes and sizes retributive essentially they were the same finch. The birds didnt just stay on one island; they migrated to one of the diffe rent(a) many islands in the Galapagos. With the beaks they had, it was hard to gather food and thats why their beak changed in shape and size. This is called Adaptation. The finches needed to adapt to the different environments and changed all over time so they could survive better.
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homologic structures atomic number 18 features that ar quasi(prenominal) in structure but appear in different organisms and have different functions. For example, in mammals most of the bones are in the same oecumenical place as other mammals. The forelimbs of humans, bats, and moles all have correspondent structures even though their forelimbs are used for different func! tions. raise scientist have discovered subscribe that these animals with similar structures have were one time very similar to each other but then they developed over time into more developed species. vestigial structures are undeveloped or unused features. An example of this in nature is an Ostrich. Today, Ostriches do not use their wings for dissolute but for balance. Ostriches have long bodies and powerful legs which they use to leak from predators. Over...If you want to contract a full essay, order it on our website: BestEssayCheap.com

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