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Natural Selection Symbolism

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The authors then state that natural selection is a stabilizing mechanism based on their belief that every species maximizes their ability to survive and reproduce in a given environment. They believe that this is an elimination process to maintain the dominance of a given species, allowing them to rule over generations and future generations. But in reality, the environment plays a great role. The authors fail to mention this fact as well as any other forms of selection, such as directional or disruptive selection. The author uses the example of the Bumpus' sparrows study in order to prove their point. He found that there might be an optimal body type for the species, and any bird, which does not have this specific criteria will eventually …show more content…

They questioned why those whom breed later did not simply breed earlier in order to be more successful. They found that due to different factors which did not allow them to adapt to their current environment, specifically genetic variance, inclement weather, and declining recourses, this bird species appeared to be under directional selection and because of this did not evolve to changing the time of year they breed at (Price, Kirkpatrick, and Arnold …show more content…

If the function of the long neck is to reach the ground, then the intelligent designer didn't do a good job of designing because the giraffes head cannot even reach the ground. This leads to another question based on their claim that when a giraffe lowers its head, they will dangerously increase their blood pressure. This turned out to be false because of counterbalanced (Warren 1974). Therefore, I question how this engineer missed these requirements? This theory is based on no evidence, while on the other hand the theory of evolution has a great amount of evidence to back it up. This firstly includes the fossil record, which is the most obvious. We know that each species today had a specific ancestor in which it came form. Also, genetic information is another prominent aspect to the prove the theory of evolution through its ability to determine the difference between species dependent on their DNA, therefore showing how closely or distantly related they are. Most evolutionary change in the features of organisms is almost certainly the result of natural selection. We must also remember that the environment is always changing, so that means that evolution will be changing as well, meaning that evolution is never constant because species are always adapting to their current environment. Therefore, given the evidence for evolution, it seems unlikely that it will be replaced by an alternative

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