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Darwinism Research Paper

Uploaded by cevster on Dec 29, 2004

Charles Darwin proposed the theory of evolution to explain the origin, diversity and complexity of life. I will will disprove evolution by showing that natural selection only explains small evolutionary changes, collectively known as microevolution. Natural selection cannot drive large evolutionary changes, macroevolution. I will also show that the primordial soup, in which life supposedly evolved, did not exist.

Neo-Darwinism incorporates the discoveries of modern science into Darwin's original theory while leaving the basic beliefs intact. Darwin proposed that individuals with favorable traits are more likely to survive and reproduce. Darwin called this process natural selection. Darwin did not understand how or why variation existed. Today scientists realize that variation arises through random changes (called mutations) to existing genes. Genes are the chemicals that determine the traits and characteristics of animals and plants. Every trait has one or more gene associated with it. Thus, natural selection provides the animals and plants with the best genes. Supporters of neo-Darwinism believe that natural selection operating upon random variation gave rise rise to all animals and plants. While the source of variation is random, the direction of evolution is not. In effect, natural selection removes chance, and it makes the theory of evolution plausible. If neo-Darwinism is correct then numerous small successive changes guided by natural selection gave rise to all animals and plants.

I will prove that natural selection is not a creative process. Its primary function is to preserve the status quo. Thus, new structures and organs must arise through chance. Natural selection can only preserve and optimize these new structures and organs after they evolve through chance. In other words, natural selection does not drive evolution, and the hypothesis on which neo-Darwinism is based is flawed.

Natural selection drives microevolution. Microevolution is defined as evolution involving small changes. Microevolution does not require the evolution of new structures or organs, Therefore, microevolution does not involve the creation of new genes.

Changes to existing genes (mutations) result in variation. Natural selection acts on this variation and preserves the best. So while the variation may be random, the process of microevolution is not.

Natural selection preserves favorable variations at the expense of less favorable variations. This process optimizes existing genes.

Natural selection forces animals and plants to adapt. Microevolution happens, and it has been observed in numerous scientific experiments.

The real question is not whether or not microevolution happens. It does, but can microevolution be extended to explain large evolutionary...

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Uploaded by:   cevster

Date:   12/29/2004

Category:   Biology

Length:   5 pages (1,156 words)

Views:   8811

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