You are here: Home / Resources / Browse Resources

Open. Adaptable. Free.

Resources created by our members and partners.

The QUBES platform hosts hundreds of teaching materials, reference materials, and cloud-based software free to use and adapt using open Creative Commons licenses.

Text Search:
Applied Filters
    2008-Yang-EtAl-Differential Equation Model of HIV Infection of CD T-Cells with Delay 
    Abstract: An epidemic model of HIV infection of CD4+ T-cells with cure rate and delay is studied. We include a baseline ODE version of the model, and a differential-delay model with a discrete time...

    Keywords: virusT cellsHopf bifurcationendemic equilibrium

    107

    views

    37

    downloads

    0

    comments

    0

    adaptations

    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

    1557

    views

    342

    downloads

    0

    comments

    1

    adaptations

    2014-Brun-EtAl-An introduction to the mechanics of the lasso
    Here, we study the mechanics of the simplest rope trick, the Flat Loop, in which the rope is driven by the steady circular motion of the roper’s hand in a horizontal plane.

    Keywords: bifurcationmotionlassorod modelrodeo

    123

    views

    30

    downloads

    0

    comments

    0

    adaptations

    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

    1466

    views

    410

    downloads

    0

    comments

    0

    adaptations

    3-069-HeatInBar-ModelingScenario
    The temperature distribution along a uniform slender bar due to conduction and convection is investigated through experimental, analytical, and numerical approaches.

    Keywords: heat transferexperimentconductionconvectionboundary conditionsfinite volume method

    183

    views

    167

    downloads

    0

    comments

    0

    adaptations

    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...
    1789

    views

    798

    downloads

    0

    comments

    0

    adaptations

    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

    1369

    views

    1447

    downloads

    0

    comments

    0

    adaptations

    Calculating Lifetime Cancer Risk Resulting from DNA Replication
    An expanded case study adapted from an HHMI Data Point on Cell Division and Cancer Risk using Figure 1 from Tomasetti, C. and Vogelstein, B. (2015).

    Keywords: cancerScientific ProcessStatistics and MathScientific Methodologybiology of cellscell growth and divisionHigh School

    1424

    views

    1029

    downloads

    0

    comments

    0

    adaptations

    2017-Allali-EtAl-Mathematical Modeling of the Adaptive Immune Responses in the Early Stage of the HBV Infection
    The aim of this paper is to study the early stage of HBV infection and impact delay in the infection process on the adaptive immune response, which includes cytotoxic T-lymphocytes and antibodies.

    Keywords: logisticHBV infectionadaptive immunie responseT-lymphocytes

    110

    views

    61

    downloads

    0

    comments

    0

    adaptations

    2011-Lucas_Pulley-Analyzing Predator-Prey Models Using Systems of Ordinary Linear Differential Equations
    This research focused on applying biological mathematics to analyzing predation relationships, especially the relationship between the Canadian Lynx and the Snowshoe Hare.

    Keywords: simulationpredator-preyLotka-VolterrapopulationCanadian LynxSnowshoe Harecritical values

    182

    views

    50

    downloads

    0

    comments

    0

    adaptations

    Data from: Advancing population ecology with integral projection models: a practical guide
    Review important resources for building IPMs and provide a comprehensive guide, with extensive R code, for their construction.

    Keywords: IPMintegral projection modelsdemographyelasticitylife historymatrix projection modelpopulation growth ratepopulation projection modelsensitivitystage structurevital ratesResources @ DryadResources @ QUBES - Data

    1030

    views

    154

    downloads

    0

    comments

    0

    adaptations

    2017-Suebcharoen-Analysis of a Predator-Prey Model with Switching and Stage-Structure for Predator
    This paper studies the behavior of a predator-prey model with switching and stage-structure for predator.

    Keywords: stage structurepredatorpreybifurcationswitching

    267

    views

    56

    downloads

    0

    comments

    0

    adaptations

    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.
    1149

    views

    1760

    downloads

    0

    comments

    0

    adaptations

    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

    2599

    views

    1067

    downloads

    0

    comments

    1

    adaptations

    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

    963

    views

    786

    downloads

    0

    comments

    0

    adaptations

    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...
    833

    views

    511

    downloads

    0

    comments

    0

    adaptations

    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

    3332

    views

    893

    downloads

    0

    comments

    0

    adaptations

    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

    1875

    views

    536

    downloads

    0

    comments

    0

    adaptations

    2017-Agmour-EtAl-Optimization of the Two Fishermen's Profits Exploiting Three Competing Species Where Prices Depend on Harvest
    The main purpose of this work is to define the fishing effort that maximizes the profit of each fisherman, but all of them have to respect two constraints: the first one is the sustainable...

    Keywords: FishingharvestNash equilibriumoptimizeprofits

    107

    views

    43

    downloads

    0

    comments

    0

    adaptations

    The Insect Predation Game
    Laboratory experiment included in Teaching Issues and Experiments in Ecology (TIEE) Volume 4 The main learning objective of this module was to tie together what students had learned during the...

    Keywords: simulationpredator-preypredation ecology

    1654

    views

    750

    downloads

    0

    comments

    0

    adaptations

    Close

    Home

    Search