Group Active Engagements Using Quantitative Modeling of Physiology Concepts in Large-Enrollment Biology Classes
Organismal Biology is the third introductory biology course taught at the University of Maryland. Students learn about the geometric, physical, chemical, and thermodynamic constraints that are common to all life, and their implications for the evolution of multicellular organisms based on a common g...
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| Autores principales: | , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
American Society for Microbiology
2016
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/9502ac5d9ecf4ab18a76e5ef69174338 |
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| Sumario: | Organismal Biology is the third introductory biology course taught at the University of Maryland. Students learn about the geometric, physical, chemical, and thermodynamic constraints that are common to all life, and their implications for the evolution of multicellular organisms based on a common genetic “toolbox.” An additional goal is helping students to improve their scientific logic and comfort with quantitative modeling. We recently developed group active engagement exercises (GAEs) for this Organismal Biology class. Currently, our class is built around twelve GAE activities implemented in an auditorium lecture hall in a large enrollment class. The GAEs examine scientific concepts using a variety of models including physical models, qualitative models, and Excel-based quantitative models. Three quantitative GAEs give students an opportunity to build their understanding of key physiological ideas. 1) The Escape from Planet Ranvier exercise reinforces student understanding that membrane permeability means that ions move through open channels in the membrane. 2) The Stressing and Straining exercise requires students to quantify the elastic modulus from data gathered either in class or from scientific literature. 3) In Leveraging Your Options exercise, students learn about lever systems and apply this knowledge to biological systems. |
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