https://www.openlearning.com/u..../kruseshort-soyzg8/b
The Theory of Evolution The theory of evolution is based on the notion that certain traits are transmitted more frequently than others. These traits make it easier to live and reproduce for individuals, which is why their number tends to increase over time. Scientists now understand how this process is carried out. A study of the clawed-frog showed that duplicate genes can serve different purposes. Evolution is a natural process Natural selection is the process that leads to organisms evolving to be the
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