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This is the front page of the Simple English Wikipedia. Wikipedias are places where people work together to write encyclopedias in different languages. We use simple English words and grammar here. The Simple English Wikipedia is for everyone! That includes children and adults who are learning English.

There are 58,975 articles on the Simple English Wikipedia. All of the pages are free to use. They have all been published under both the Creative Commons Attribution/Share-Alike License 3.0 and the GNU Free Documentation License. You can help here! You may change these pages and make new pages. Read the help pages and other good pages to learn how to write pages here. If you need help, you may ask questions at Simple talk.


When writing articles here:

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In biology, evolution is a change in the traits passed by a group from one generation to the next. These traits are found in the genes, and when they change it is called mutation. Evolution is said to have happened when these traits either become more or less commonplace in a group.

In a person's family, his or her grandparents are one generation. The parents, aunts, and uncles are another, and that person, and his or her brothers, sisters, and cousins, are a third. Even photographs of all these people at the same age would not show very many people who looked exactly the same. This is the fact of evolution: A family, like all groups of living things, is changing from generation to generation in small ways, and these changes can add up over many generations and lead to very big differences.

The theory of evolution tries to explain all the patterns found in the entire history of living things. One part of evolution that explains a lot of what we see is natural selection. Natural selection says that since children aren't exactly like their parents, some of them might have some slight advantage that makes them better able to live where they live. Since they have an advantage, these ones are more likely to survive. Children are more like their parents than other unrelated individuals. So the ones with a slight advantage are likely to have children with a slight advantage, or might even end up with some children with a bigger advantage. After many generations in the same place, the great-great-great-great-etc. grandchildren are likely to be really good at living where they live.

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From a collection of Wikipedia's articles:

The Southampton 45 tram was bought for  £10 in 1949.



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