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    3049

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    Moths and Frogs and E. coli, Oh My!: Agent-based Modeling of Evolutionary Systems
    In evolution classrooms, introducing and reinforcing the idea of genetic drift and random selection can be challenging, as can be reinforcing appropriate mental models of evolution. Agent-based models offer students the opportunity to conduct a...
    Lesson
    1128

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    163

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    Using Musical Instruments to Model Negative Feedback in the Hypothalamo-Pituitary-Target Gland Axes
    Homeostasis and negative feedback are crucial, yet difficult, concepts for undergraduates, particularly in the context of the hypothalamo-pituitary axes. This interactive activity was designed to (1) reveal how negative feedback can restore...
    Lesson
    4434

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    444

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    1

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    Teaching Advanced Concepts in Regulation of the Lac Operon With Modeling and Simulation
    Success in biochemistry and other life science courses requires that students understand important biological concepts. One of these concepts is how gene regulation ensures that homeostasis is maintained in an organism. The lac operon is a...
    Lesson
    1224

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    180

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    Simulating Cortical Rotation, Axis Induction, and Experimental Embryology in Amphibian Embryos Using Clay Models
    The study of development requires learners to understand spatially complex concepts like embryo anatomy. Embryo anatomy is dynamic over time, and it is often manipulated by researchers in experiments that are fundamental to the field. This spatial...
    Lesson
    3656

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    823

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    Breaking Bricks: A Hands-On Model of Enzyme Kinetics and Inhibition
    Enzyme kinetics and the impacts of inhibitors on the enzyme's maximal velocity and ability to bind substrates are important topics in cell biology and biochemistry. However, these topics can be difficult for students to grasp when instructed...
    Lesson
    1848

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    622

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    A Close-Up Look at PCR
    The Polymerase Chain Reaction (PCR) is a fundamental laboratory technique that allows for the amplification of many copies of a desired DNA target sequence. Despite its prevalence, undergraduate students often have poor comprehension about the...
    Lesson
    2227

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    474

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    A Lesson on Matter and Energy at the Organismal Scale: Linking Patterns and Processes Across Diverse Taxa
    Pathways and transformations of energy and matter (PTEM) are a conceptually challenging but essential component of biological literacy. Curricular gaps about PTEM nevertheless remain; although lessons targeting PTEM at small scales (chemical,...
    Teaching Tools and Strategies
    2777

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    389

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    The Flight Physics Concept Inventory: Reliably Evaluating Aerodynamic Lift, Drag and Associated (Naïve) Concepts of Flight in Class and In-Game
    Students often struggle to transfer conceptual understanding from isolated instruction to a coherent mental model. This is especially true for the context of flight physics, fluid dynamics, or the concepts of aerodynamic lift, drag, stall, center...
    Lesson
    2998

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    401

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    It's a Substrate... It's a Protein...No - It's an Enzyme! Teaching Using 3D Serine Protease Physical Modeling Activities to Confront Misconceptions.
    Reported misconceptions of enzyme-substrate interactions highlight the necessity for better, targeted instructional tools and assessments. A series of active learning activities with corresponding three-dimensional (3D) physical models were...
    Lesson
    6147

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    539

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    2

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    Meiosis Remodeled: Inclusion of New Parts to Poppit Bead Models Enhances Understanding of Meiosis
    A long-standing tradition uses strings of poppit beads of different colors to model meiosis, especially to show how segments of paired homologous chromosomes are recombined. Our use of orthodontic latex bands to model cohesion of sister...
    Teaching Tools and Strategies
    1263

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    275

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    0

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    Sanger Sequencing by Hand: Using Paper Clips to Demonstrate Chain Termination
    Sanger sequencing is commonly taught with a hands-on approach. Sanger sequencing involves chain termination by dideoxynucleotides, because they are missing the oxygen on the 3’ carbon atom, which is required for the addition of subsequent...

    Courses: GeneticsGenetics

    Lesson
    2242

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    300

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    Learning Quantitative Genetics: Investigation of Genetic Control for Cold Stress Response in Plants
    Course-embedded undergraduate research experiences (CUREs) for students have been shown to increase students’ understanding of the process of science, affirm their scientific identity, and improve retention in STEM fields. Despite many CUREs...

    Courses: GeneticsGenetics

    Essay
    1062

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    118

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    An Active Textbook Converts "Vision and Tweak" to Vision and Change
    Multiple reports over more than a century have documented the problems with the way introductory biology has been taught in most colleges and universities. An influential recent report, Vision and Change in Undergraduate Biology Education, has...
    Lesson
    3928

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    406

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    Using Place-Based Economically Relevant Organisms to Improve Student Understanding of the Roles of Carbon Dioxide, Sunlight, and Nutrients in Photosynthetic Organisms
    Biology students require broad preparation for diverse careers including agriculture, natural resource management, and laboratory research. Concurrent with this need, employers are seeking applicants who have the scientific skills that allow them...
    Lesson
    5260

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    1004

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    An active-learning lesson that targets student understanding of population growth in ecology
    Effective teaching and learning of population ecology requires integration of quantitative literacy skills. To facilitate student learning in population ecology and provide students with the opportunity to develop and apply quantitative skills, we...
    Lesson
    2851

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    1005

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    Building Trees: Introducing evolutionary concepts by exploring Crassulaceae phylogeny and biogeography
    Teaching evolutionary theory is foundational for all biological sciences and a key aspect of overall science literacy. The conceptual framework for understanding evolution relies on thinking clearly about evolutionary trees (phylogenetics) and how...
    Lesson
    2063

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    515

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    Using Immunocytochemistry and Fluorescence Microscopy Imaging to Explore the Mechanism of Action of Anti-Cancer Drugs on the Cell Cycle
    Understanding and visualizing the cell cycle and mitosis is an essential concept of cell biology. This multi-week lab module has students investigate the mechanism of action of anti-cancer drugs that disrupt activities associated with mitosis and...
    Lesson
    1042

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    156

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    What do Bone and Silly Putty® have in Common?: A Lesson on Bone Viscoelasticity
    Without the use of real-life examples and models, actively instructing and engaging students in complex physiology topics related to bone biomechanics can be challenging. In our large-enrollment Human Physiology & Anatomy courses at the...
    Lesson
    2015

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    363

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    Drawing “Octo-Pines”: Ice-Breaker Active-Learning Activities to Introduce Drawing-to-Learn in Biology
    Drawing has been advocated as a technique to develop visual literacy and observational skills in biology students. To increase student motivation and confidence to draw in our course, we developed an introductory active-learning lesson with a...

    Courses: EcologyEcology EvolutionEvolution

    Lesson
    6223

    views

    302

    downloads

    1

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    Marsh Madness: Using Video Games and a Case Study to Explore Food Webs and Ecosystem Services in Carpinteria Salt Marsh Reserve
    As the complexity and interconnectedness of our world increases, we are continually expected to be capable of complex, non-linear thinking in order to successfully tackle and solve the challenges we face in the 21st century. Tackling these...

    Courses: EcologyEcology