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    Sex Verification Testing of Athletes
    This interactive module explores the biology of sex determination and development in humans, set against the backdrop of the different sex testing policies implemented throughout sports history.

    Keywords: Resources @ HHMI - BioInteractiveDevelopmental BiologyAnatomy & PhysiologyScience & SocietySex hormoneshuman reproductive development

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    A CURE in traits and species distributions: Reproductive modes, range sizes, and natural history collections
    This course-based undergraduate research experience (CURE) focuses on developing hypotheses about how traits influence the range sizes of species. Topics with substantive content include symbioses,...

    Keywords: Evolutionbiostatisticsecologynatural history collectionsSymbiosisspecies distributionsherbariumplant functional traitsLichenReproductive biologyAppalachian mountains

    2015

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    792

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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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    Seed Dispersal, Mutualisms, and Communities
    In this activity, students use data from published studies to understand patterns of seed dispersal and apply these ideas to understanding the evolution of mutualisms, and how mutualistic...

    Keywords: mutualismsecologyResources @ HHMI - BioInteractivecommunityplantsdiversityScientific Processlarge lecture

    2011

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    684

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    Evaluating Local Adaptation and Conservation with Life Tables
    This module contains a sequence of activities designed for an undergraduate ecology lesson on stage-structured population models or life tables that use published data. Two versions are provided:...

    Keywords: ecologypopulation modelmatrix modelsclimate changelife cyclessensitivity analysispopulation ecologylife tablestage-structured modelsnet reproductive rateconservation planning

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    Leslie/Lefkovitch Matrix Models for Age or Stage-structured Populations
    This Excel workbook uses the Leslie matrix model for population projection of age-class structured populations, and also allows Lefkovitch matrix models for stage-class structured populations.

    Keywords: survivalpopulation ecologyfecundityLeslie matrixeigenvalueseigenvectorsLefkovitch matrixage-class structured populationsstage-class structured populationsreproductive value

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    110

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    Introduction to Plant Phenology with Museum Specimens of Desert Prickly Pear (Opuntia phaeacantha)
    Students engage in hands-on exploration of phenology by working with digitized herbarium specimens, particularly focusing on prickly pear specimens from the UTEP herbarium. They learn to identify...

    Keywords: botanyclimate changephenologyherbariumcactus

    847

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    157

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    To Vaccinate or Not to Vaccinate
    To vaccinate or not to vaccinate, that is the question. Much of the recent trend in society against vaccination is that the general population does not understand 1) how vaccines work and 2) how...

    Keywords: pathogenELISAimmunityantibodyAntigen

    1038

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    172

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    Population Ecology of the Northern Spotted Owl
    The mathematical modeling of populations utilizing field-collected demographic data is an important component of lab curricula in a variety of undergraduate biology lab courses. During the global...

    Keywords: demographyCommunity Ecologypopulation ecologyconservation biologylife tables

    924

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    275

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    A Modeling Exercise in Sexual Selection using a Student-Created Bird Species
    Evolution-centered lessons at the undergraduate level can often be jargon-heavy, propagate misconceptions if taught ineffectively, and be uninteresting to students who may not see the relevancy of...

    Keywords: Evolutionfitnesssexual selectionNatural Selectionintersexual selectionmate choice

    2596

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    486

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    Life Is Just a Game: An Active Learning Activity to Teach Life History Evolution
    A novel activity was designed to introduce students to the concepts of natural selection and life history using an active-learning, constructivist format. It consisted of two parts: 1) a brief...

    Keywords: Evolutionlife historytrade-offsdiversityNatural Selection

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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

    1689

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    2014-Do-Lee-A Differential Equation Model for the Dynamics of Youth Gambling
    We examine the dynamics of gambling among young people aged 16–24 years, how prevalence rates of at-risk gambling and problem gambling change as adolescents enter young adulthood, and prevention...

    Keywords: reproductive numberGamblingepidemicsensitivity indexyouth gambling

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    2012-Tweedle-Smith-Mathematical model of Bieber Fever-The most infectious disease of our time
    We develop a mathematical model to describe the spread of Bieber Fever, whereby individuals can be susceptible, Bieber-infected or bored of Bieber.

    Keywords: infectious diseasediseaseinfectionmediaJustin BieberBieber feversymptomsboredreproductive ratio

    153

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    51

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    Nature’s Flying Machines: The Evolutionary Relationship of Avian Form & Function
    In this series of activities, birds will be used as the model organism. The modules examine the connections between body form and function over time by investigating the relationship between avian...

    Keywords: evolutionary ecologyCommunity Ecology

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    The Hidden Kingdom: Island Biogeography with Fungi
    In this activity, students will explore a dataset of fungi dispersal capabilities and colonizing success to test the predictions of island biogeography theory.

    Keywords: Island biogeographyfungi

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    IPMpack: an R package for Integral Projection Models
    IPMpack is an R package (R Development Core Team 2013) that allows users to build and analyse Integral Projection Models.

    Keywords: RR-Forgeanimalbiostatisticscomparative analysisecologylongitudinal datamodel comparisonmodel estimationprojectionssurvivaltime seriestrajectoryIPMintegral projection modelsResources @ QUBES - Software

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    Exploring the Lotka-Volterra Competition Model using Two Species of Parasitoid Wasps
    Experiment included in Teaching Issues and Experiments in Ecology (TIEE) Volume 2

    Keywords: population dynamicsResources @ ESA - TIEEspecies interactionscompetition models

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    Diversity and Inclusion in Animal Behavior – ABI Faculty Development Program
    In this course, students will learn about the study of behavior from an evolutionary perspective. We will look at the mechanisms underlying behavior and how behavior develops in an animal’s...

    Keywords: ecologyanimal behaviorpsychologyDiversity and Inclusion

    455

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    188

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    HSI - Student Research Journal - Vol.2 Issue 1 - Spring 2021
    The Headwaters Research Experience students have produced some fascinating research throughout our 10-week program. We encourage all to read their reports in our Vol. 2 - Issue 1 - Spring 2021...

    Keywords: scientific methodscience education

    550

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    115

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