Genetic drift is an evolutionary process - the statement is correct; check any population genetics or molecular evolution textbook. Evolution can be due to non-selective forces, including genetic drift (gene flow between two neighbouring populations is another example). Also, the fitness of an organism does not evolve under natural selection - it works at the population level.
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Genetic drift is an evolutionary process - the statement is correct; check any population genetics or molecular evolution textbook. Evolution can be due to non-selective forces, including genetic drift (gene flow between two neighbouring populations is another example). Also, the fitness of an organism does not evolve under natural selection - it works at the population level.