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...
    98

    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.
    1532

    views

    336

    downloads

    0

    comments

    1

    adaptations

    2016-Banks-EtAl-Modeling Bumble Bee Population Dynamics with Delay Differential Equations
    To provide a tool for projecting and testing sensitivity of growth of populations under contrasting and combined pressures, we propose a delay differential equation model that describes...
    149

    views

    35

    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.
    176

    views

    157

    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.
    1440

    views

    400

    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.
    172

    views

    48

    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...
    1772

    views

    778

    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.
    1338

    views

    1387

    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).
    1385

    views

    1013

    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.
    102

    views

    61

    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.
    1006

    views

    151

    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,...
    1831

    views

    491

    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.
    256

    views

    55

    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.
    1129

    views

    1713

    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.
    2567

    views

    1059

    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.
    937

    views

    761

    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...
    812

    views

    488

    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...
    3270

    views

    878

    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...
    98

    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...
    1622

    views

    740

    downloads

    0

    comments

    0

    adaptations