An essay has been defined in a variety of ways. One definition is a "prose composition with a focused subject of discussion" or a "long, systematic discourse".
Get Full Essay Get access to this section to get all help you need with your essay and educational issues. Get Access Persuasive Essay: Evolution Essay Sample The evolutionary theory is one of the most widely debated scientific theories.
Many believe it to be the best explanation for how the living world with all its species developed. Others refuse to believe it and think of the theory as something dangerous.
The theory itself states that the natural world, with all its different species, developed Persuasive essay about evolution simple organisms.
This also means that all organisms are related, some more closely than others. Currently it is the only reasonable theory that explains how the natural world developed. Unlike others, it is not based on speculations or unsupported claims but on solid evidence.
Evidence that can not be ignored. All evidence that has been found points to one explanation. Archeologists have uncovered many fossil records. Through them science has been able to piece together the way in which the natural world developed from early unicellular organisms to the complex species we see today.
For example, archeologists have found the remains of many early humanoids. Thanks to these finds, we now know how we looked millions of years ago and how we gradually developed to the modern human, the Homo Sapiens.
These finds support the theory of evolution, because this is exactly what it states. Another good example of how the fossil record helps us understand evolution is the evolution of the horse see appendix I.
Due to the large amount of findings, we have an almost complete model of how the horse evolved. The wisdom teeth we have are useless, but once our ancestors used them for chewing hard objects.
Another piece of evidence came about in the 20th century, when DNA was discovered. They can now compare the DNA of different species to see how they are related. The discovery of DNA once again confirmed evolution.
We saw that all organisms are related to each other. This also proves another hypothesis, which states that chimps and humans have a common ancestor which lived several million years ago. The evolutionary theory is often incorrectly interpreted as saying that humans descended from apes.
Many counter this by saying apes are still alive, while according to the theory, they should have died and been replaced by humans. As this argument is based on a misinterpretation of the evolutionary theory, it can not be seen as credible and is therefore not being discussed by scientists.
Many people who doubt evolution say that it has never been observed. This is in fact not true. Microevolution, small changes to species, has been observed both in laboratories and in nature.
For instance, on the Galapagos islands, where Darwin also did his research, scientists have observed year-to-year evolution of birds. As the food supply changed, birds whose beaks were more suited to the given food survived and reproduced. Here we clearly see natural selection at work.
Another observation was conducted in a laboratory. Scientists took a group of bacteria and added a lethal substance. Most bacteria died, but some had immunity. They survived and successfully reproduced.
The next day the entire group was immune to the substance. They adapted to the poisonous environment through natural selection. Considering the overwhelming amount of evidence supporting evolution and the nonexistence of evidence against it, one can conclude that it is indeed a valid scientific theory.
The acceptance of evolution in the scientific community is almost unanimous. It has even gained some acceptance in religious circles, which previously refused to believe it.
This is mostly caused by ignorance, fundamentalist beliefs, or wishful thinking. That is why, even years after Darwin published his book, the debate continues with no end in sight. University of California Press.Try Our Friends At: The Essay Store.
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Many believe it to be the best explanation for how the living world with all . But the old-school media's slow evolution has helped to create a culture of impunity and silence. Amazon paid millions to work with Woody Allen, bankrolling a new series and film.
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