https://k12.instructure.com/ep....ortfolios/917790/hom
The Importance of Understanding Evolution The majority of evidence for evolution comes from observation of organisms in their natural environment. Scientists conduct lab experiments to test evolution theories. In time the frequency of positive changes, such as those that aid an individual in his struggle to survive, increases. This process is known as natural selection. Natural Selection The theory of natural selection is a key element to evolutionary biology, but it i
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