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S.O.Y. Keita on POLYTOPICITY
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[QUOTE]Originally posted by Brada-Anansi: [QB] [QUOTE]Originally posted by DD'eDeN: [qb] Convergent evolution is just a theory. Evolution is just a theory. A hypothesis is just a story, an untested explanation. If a hypothesis is repeatedly tested using scientific method and found to explain without exception, it is a theory. Scientists attempt to discover the laws of nature (patterns) which determine the substance (process) of the theory. Or so. [/qb][/QUOTE][b]What is a Scientific Theory?[/b] [QUOTE] The evolution of a scientific theory A scientific theory is not the end result of the scientific method; theories can be proven or rejected, just like hypotheses. Theories can be improved or modified as more information is gathered so that the accuracy of the prediction becomes greater over time. Theories are foundations for furthering scientific knowledge and for putting the information gathered to practical use. Scientists use theories to develop inventions or find a cure for a disease. Some believe that theories become laws, but theories and laws have separate and distinct roles in the scientific method. [b] A law is a description of an observed phenomenon that hold true every time it is tested. It doesn't explain why something is true; it just states that it is true.[/b] A theory, on the other hand, explains observations that are gathered during the scientific process. So, while law and theory are part of the scientific process, they are two very different aspects, according to the National Science Teachers Association. [/QUOTE][URL=http://www.livescience.com/21491-what-is-a-scientific-theory-definition-of-theory.html]web page[/URL] [/QB][/QUOTE]
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