Mutation - Random change in the DNA creates a sometimes desirable trait, Gene Flow - Emigration or immigration of traits from one population to another, Genetic Drift - Change in trait frequency due to random event or chance, Natural Selection - Survival of the fittest. Those with the most desirable traits will survive and reproduce., Embryology - Studying different embryonic stages of different organisms can show a common ancestor.  , Fossils - Preserved remains, impressions, or trace remains of an ancient organism that no long exists, DNA Evidence - The more closely related the DNA sequences are, the more closely related two organisms are, thus showing a common ancestor., Homologous Structures - The structures of different species may be similar but perform different functions. , Biogeography - Similar organisms that live in different locations can show common ancestry.,

Bio Mechanisms & Evidence of Evolution

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