Advanced Biology Data Analysis: Bacteria Adaptations

Advanced Biology Data Analysis: Bacteria Adaptations
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410 KB|14 pages
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This data analysis question is intended for use in an IB Biology class: it presents data from an open-source scientific journal about traits of bacteria growing as biofilm or as free-floating individuals and how those traits affect competition between strains of bacteria.

This eight page question, containing 5 figures to analyze, challenges students to read graphs and diagrams, interpret the data, and apply concepts of evolution such as adaptation and competition. A detailed key is provided that includes a commentary on the answers giving clarification and suggestions for achieving high quality answers. An extension question regarding details of controls in experiments is included.

A Nature of Science connection addressing Science as a Way of Knowing gives a brief overview of how changing views of bacterial growth (pure cultures vs biofilms) has influenced our study of bacteria. Further resources for investigation, including a link to a Ted talk, are included.

This resource is stand-alone resource to be used as part of a unit on evolution (or part of a unit on genetics if students have already studied evolution). Students also need a background in mathematical skills required for analyzing data and calculating with scientific notation.

For a detailed description of the nature of these questions, including the mathematical skills needed, download my free resource about these data analysis questions.

This work/product/service has been developed independently from and is not endorsed by the International Baccalaureate Organization. International Baccalaureate, Baccalauréat International, Bachillerato Internacional and IB are registered trademarks owned by the International Baccalaureate Organization.

Total Pages
14 pages
Answer Key
Teaching Duration
30 minutes
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