A hands-on exercise to demonstrate evolution by natural selection & genetic drift

The American Biology Teacher | August 1, 2003| | Copyright

Although students "learn" (i.e., hear about) the components of evolution by natural selection in high school biology courses, few of them truly understand or remember them. We have developed an interactive, hands-on method of teaching about natural selection that we think increases the understanding and retention of this important concept. We have used this in the following classes as an introduction to evolution by natural selection: Introductory Biology, Genetics and Evolution, Evolution, Ecology, and Darwinian Medicine. By copying a hand-drawn figure of a fish (or anything the instructor ...

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