Evolutionary theory is critical for a comprehensive understanding of biology, yet students often fail to grasp its underlying principles. This results partially from ineffective teaching; however, the use of interactive activities could alleviate this problem. In this guided investigation of evolutionary mechanisms, students use LEGO bricks to simulate how mutation, migration, genetic drift, and natural selection can affect the evolution of a population. This exercise was undertaken and assessed with college introductory biology students, but is also appropriate for advanced high school students.

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