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    Linking Genotype to Phenotype: The Effect of a Mutation in Gibberellic Acid Production on Plant Germination
    Basic concepts in genetics and plant development are often taught in lecture courses without a lab component. This approach provides students with the content knowledge, but fails to make...

    Keywords: geneticsdevelopmentmutationgerminationplantmodel organismGenotype/PhenotypeHormoneSeed

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    Meiosis: A Play in Three Acts, Starring DNA Sequence
    Meiosis is well known for being a sticky topic that appears repeatedly in biology curricula. We observe that a typical undergraduate biology major cannot correctly identify haploid and diploid...

    Keywords: recombinationmeiosisDNA sequenceCrossingoverchromosome structureHolliday junctionhomology

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    A new approach to course-based research using a hermit crab-hydrozoan symbiosis
    There are few feasible models for marine-focused inquiry laboratory activities, a notable shortcoming for instructors seeking to engage their students in meaningful, course-based research...

    Keywords: behaviorparasitismSymbiosismutualismcommensalism

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    Using Yeast to Make Scientists: A Six-Week Student-Driven Research Project for the Cell Biology Laboratory
    Traditionally-trained undergraduate students often lack an understanding of science as an active process that yields the information presented in their textbooks. One result has been a call for...

    Keywords: yeastgrowth curvecell proliferationviability

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    Antibiotic Resistance Genes Detection in Environmental Samples
    Our aim is to provide an authentic research experience for undergraduate students in a variety of biology courses through collaboration between a four-year university and a community college. This...

    Keywords: geneticsenvironmentmicrobiologyUndergraduateantibiotic-resistancePCRgel electrophoresisauthentic inquiry

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    Teaching epidemiology and principles of infectious disease using popular media and the case of Typhoid Mary
    Allied health students often struggle to understand how particular content, such as epidemiology, connects to their future careers. This activity uses the case of Typhoid Mary as a foundation for...

    Keywords: epidemiologycase studyinfectous diseasepopular mediaTyphoid Mary

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    The Science Behind Parthenogenesis: Interesting things happen when meiosis goes “wrong”
    Parthenogenetic reproduction is a fascinating, complex topic.  This article accompanies “Why Meiosis Matters: The case of the fatherless snake.” It summarizes the basic information...

    Keywords: meiosismitosissex determinationAsexual reproductionParthenogenesis

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    Sex-specific differences in Meiosis: Real-world applications
    In traditional classrooms, students are typically presented with facts that they are asked to memorize and recall during an exam.  The rapid explosion of available scientific facts in recent...

    Keywords: meiosisReproductionAneuploidyGameteNon-disjunctionOocyteSpermTrisomy

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    Why Meiosis Matters: The case of the fatherless snake
    A compelling reason to learn something can make all the difference in students’ motivation to learn it.  Motivation, in turn, is one of the key attitudes that drives learning.  This story...

    Keywords: meiosismitosissex determinationAsexual reproductionParthenogenesis

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    Science of Sorting
    Children possess an innate curiosity about the natural world. This Discovery Trunk explores the topic of sorting, or classification, in the study of life science.

    Keywords: species interactionsphylogenyscience educationPropertytaxonomyindividual traitsLife ScienceSortOrganizationReproductionclassifycharacteriesticlivingnonlivingobjectsadvantagedichotomous keyliving systemsoffspringphysical traitbehavioral traitcladecladogramtaxonomistnatural worldkingdomsbinomial nominclatureone class periodgradesK-8K-8

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    The Evolution (and Coevolution) of Flowering Plants Virtual Classroom
    In this lab, you will explore the diversity of flower and fruit adaptations that have evolved to accomplish pollination and seed dispersal and you will investigate the coevolution of angiosperms...

    Keywords: digital resourcespollination biologynatural history collectionsFloral Diversity

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    Attract or Defend? Secondary Compounds among tissues in two species of Lupine (Fabaceae)
    This plant-biology data analysis module compares concentrations of defensive alkaloid compounds among tissue types in two species of the flowering-plant Lupine (Fabaceae). Students practice with...
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    Connecting Viral Pandemics to Ecological Population Growth Models
    In this activity students use the HHMI Population Growth Models interactive to explore R0 for diseases and discuss the importance of connecting population ecology to current events like the...
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    Exploring the Introduction of Genetic Variation by Random Mutation: Avida-Ed Lab Book Exercise 1
    An introductory activity introducing the role of random mutation in generating genetic variation using the Avida-ED simulation.

    Keywords: geneticsEvolutionavida-edmutationsoftware simulations

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    That Vertebrate Ate What Exactly?
    During the course of this lesson, students will analyze CT scan data and observe bycatch (or an unknown discovery) captured during the scanning process of vertebrates.

    Keywords: EvolutionidigbioAP Biologynatural history collections3D modelsanatomy and physiology#NGSSVertebrate MorphologyCT scanoVert

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    Movement: Nature's Flying Machines (Online)
    Adapted for online learning: In this lab, you will explore the physics of flight, the adaptations that make powered flight possible, and the evolution of powered flight in vertebrates and...

    Keywords: citizen sciencequantitative skillsDigital RepositoryFlight

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    Processes that Regulate Patterns of Species and Genetic Diversity - Intro Environmental Science
    This activity was adapted for use in an intro non-majors Environmental Science course, with an emphasis on collaborative data collection.

    Keywords: data analysisGenetic Driftquantitative skillsspecies diversityIsland biogeographygamificationgenetic diversityecological driftcolonizationcollaborative data collection

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    Processes that Regulate Patterns of Species and Genetic Diversity
    This activity was developed for an undergraduate upper level ecology course for Environmental or Biological Science majors. Classes of ~20 students work best for the activity.
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    Movement: Nature's Flying Machines
    In this lab, you will explore the physics of flight, the adaptations that make powered flight possible, and the evolution of powered flight in vertebrates and invertebrates.

    Keywords: citizen sciencequantitative skillsDigital RepositoryFlight

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    The Evolution of Human Skin Color
    National Center for Case Study Teaching in Science- while the concept of evolution by natural selection is very simple, it is often misunderstood by students.

    Keywords: EvolutionNatural SelectionSkin pigmentationskin colorvitamin Dvitamin B folateultraviolet lightUV light

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