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A Lesson on Evolution & Natural Selection

Anthony D. Curtis
The American Biology Teacher
Vol. 72, No. 2 (February 2010), pp. 110-113
DOI: 10.1525/abt.2010.72.2.11
Stable URL: http://www.jstor.org/stable/10.1525/abt.2010.72.2.11
Page Count: 4
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A Lesson on Evolution & Natural Selection
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Abstract

I describe three activities that allow students to explore the ideas of evolution, natural selection, extinction, mass extinction, and rates of evolutionary change by engaging a simple model using paper, pens, chalk, and a chalkboard. As a culminating activity that supports expository writing in the sciences, the students write an essay on mass extinction. All activities are geared for high school biology and perhaps introductory college biology classes. With little modification, activities 1 and 2 can be used successfully in middle school and perhaps in the higher elementary grade levels.

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