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Evolution - Example Papers

Evolution

How do new and different species develop? How do existing species change over time? The answer to these questions is found through the process of . According to Monroe W. Strickberger, a professor at the University of Missouri in St. Louis, is defined as, "Genetic changes in populations of organisms through time that lead to differences among them" (519). has many mechanisms through which these genetic changes occur. One of the most important of these mechanisms is natural selection.
Before the theory of natural selection was proposed, the most prominent theory on was that of Jean Baptiste de Lamarck. Lamarck's theory has two parts: 1) the principle of use and disuse and, 2) ...

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it incorrectly asserts that organisms can change their inheritable traits. This assertion was shown to be untrue when the theory of natural selection was conceived.
The idea of natural selection was formed by both Charles Darwin and Alfred Russel Wallace in the mid-1800s. Unaware of each other's work, they developed the same theory independently. Originally the theory was scoffed at by the scientific community, but now it is widely accepted. The theory of natural selection states that individuals with the most favorable traits will be more likely to survive and pass these favorable traits on to future generations (Volpe 13). The concept of natural selection has commonly become known as "survival of the fittest."
The fittest organisms are the ones that reproduce and have their offspring develop and reproduce. The idea of being the fittest refers to "the ability of an organism to transmit its genes to the next reproductively fertile generation" (Strickberger 520). This ...

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PAPER DETAILS

Added: 6/6/2004 07:58:48 AM
Category: Science & Nature
Type: Premium Paper
Words: 874
Pages: 4

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