PopGen Fishbowl: A Free Online Simulation Model of Microevolutionary Processes

Author:

Jones Thomas C.1,Laughlin Thomas F.1

Affiliation:

1. THOMAS C. JONES and THOMAS F. LAUGHLIN are faculty members in the Department of Biological Sciences, Box 70703, College of Arts and Sciences, East Tennessee State University, Johnson City, TN 37614

Abstract

Natural selection and other components of evolutionary theory are known to be particularly challenging concepts for students to understand. To help illustrate these concepts, we developed a simulation model of microevolutionary processes. The model features all the components of Hardy-Weinberg theory, with population size, selection, gene flow, nonrandom mating, and mutation all being demonstrated in the simulations. By using this freely available computer model, students can develop and test hypotheses with replicated virtual experiments. Because the model is an agent-based simulation, there is biologically realistic variability in the results. Students using the model see results both numerically and graphically, and these are reinforced by an animation of the virtual fish in the simulated experiment.

Publisher

University of California Press

Subject

General Agricultural and Biological Sciences,Agricultural and Biological Sciences (miscellaneous),Education

Reference7 articles.

1. Alstad D.N. . (2007). Populus: simulations of population biology. [Online.] Available athttp://www.cbs.umn.edu/populus/.

2. Student conceptions of natural selection and its role in evolution;Bishop;Journal of Research in Science Teaching,1990

3. The nature of naïve explanations of natural selection;Ferrari;International Journal of Science Education,1998

4. Critters! A realistic simulation for teaching evolutionary biology;Latham;American Biology Teacher,2008

5. Evaluating two approaches to helping college students understand evolutionary tress through diagramming tasks;Perry;CBE Life Sciences Education,2008

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