Title: Early Theories of Evolution: Evidence of Evolution
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Content: In this way, scientific knowledge and understanding grow over time. Religious explanations for the order of things are not science because they are based primarily on faith and do not subject themselves to be objectively falsified. Because of this fundamental difference in the approach to understanding our natural world, the U.S. Supreme Court in effect decided in 1987 that the Biblically based "creation science" is not a science and cannot be taught as such in public schools as an alternative or in addition to the mainstream evolutionary theory of the biological sciences. However, religious creation stories and the idea of "intelligent design" can be taught in philosophy, religion, or history courses. Religion and Science provide different approaches to knowledge. It is important to understand both. What Is Evolution? Biological evolution is  genetic change in a population from one generation to another. The speed and  direction of change is variable with different species lines and at different times. Continuous evolution over many generations can result in the development of new  varieties and species.