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    javaFOODWEB
    More than 100 food web matrices (multiple predators/prey Excel worksheets) are included with the javaFOODWEB tool.

    Keywords: niche spacesCommunity Ecologyfood webspredator-prey interactionsMatricestrophic chain

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    Hidden Markov Model
    Hidden Markov models are a set of mathematical tools that can be used to draw inferences about genomic and evolutionary processes.

    Keywords: hidden markov models

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    Dynamic Programming
    In bioinformatics, dynamic programming is mainly used to align nucleotide and amino acid sequences, and to predict RNA and protein folding from primary sequence data.

    Keywords: RNAamino acid sequenceSequence alignmentdynamic programmingprotein folding

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    Deme 2.0
    This workbook simulates the population genetics of a single gene with two alleles. It can simultaneously model up to three local populations, which may differ in their selection coefficients.

    Keywords: population geneticsGenetic DriftNatural Selection

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    Biodiversity
    Biodiversity allows the diversity of a biological population to be estimated with both the Shannon and Simpson biodiversity indices based on information theory.

    Keywords: Shannon diversity indexSimpson diversity indexBiodiversity indicesInformation theory

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    Two-Species Model
    These two Excel worksheets simulate the population growth of two interacting species. In isolation, each species grows logistically, but interaction effects between species may limit or enhance...

    Keywords: population growthcompetition modelsLotka-Volterra

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    Serial Dilutions
    In this Excel workbook, users will enter the original cell concentration and the desired dilution factor (10, 100, and 1000). The program will then calculate the new cell concentration.

    Keywords: concentrationScientific Notationorders of magnitudeserial dilutions

    103

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    Phylogeography Simulator
    This Excel workbook simulates the phylogeography of an asexually reproducing species.

    Keywords: Phylogeographymutation ratesAsexual reproductionspecies dispersal

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    Operon
    This Excel workbook models lac operon function in a partial diploid E. coli. The user chooses the bacterial genotype and the sugars present in the surrounding medium: the workbook then determines...

    Keywords: Lac OperonE. coli

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    GeoPhyl
    This Excel workbook allows students to explore evolution over space and time using published data on the invasive plant Tamarix (salt cedar).

    Keywords: Invasive SpeciesTamarixsalt cedarpermutation testrandom geographic distribution

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    Genetic Code
    This Excel workbook allows the user to recreate the steps in breaking the genetic code. The user enters the sequence of repetitive synthetic mRNA strands, which are translated in vitro to produce...

    Keywords: mRNAgenetic code

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    Evolution Through Natural Selection
    This Excel workbook simulates the population genetics of a single gene with two alleles, allowing the user to set the initial allele frequencies and enter parameters for a variety of different...

    Keywords: population geneticsNatural Selection

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    ESS: Evolutionary Stable Strategies Game Theory Module
    This Excel workbook illustrates a number of ESS examples. Each example allows the user to manipulate the initial population for each strategy and the fitness payoffs and costs for each strategy.

    Keywords: population geneticsfitnessgame theorySequence alignmentevolutionary stable strategies

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    Continuous Growth Models
    This Excel worksheet compares user-input growth data with predictions under linear, exponential, and logistic models of growth. Introduces concepts of statistical analysis that can be additionally...

    Keywords: exponential growthlogistic growthcurve fittinglinear growthgrowth models

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    Buffer Preparation
    This Excel workbook calculates the necessary components to create a buffer solution using the Henderson-Hasselbalch equation.

    Keywords: buffer solutionacidbase

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    Balancing Chemical Equations Using Matrix Algebra
    This Excel workbook introduces using matrix algebra to balance chemical reactions. The workbook allows the user to set up their own matrices for chemical reactions involving 2-7 elements.

    Keywords: chemical reactionsInverse matrix methodmatrix algebra

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    Michaelis-Menten Enzyme Kinetics
    In this simulation, equations used in enzyme kinetics (Michaelis-Menten, Eadie-Hofstee, Dixon, and Lineweaver-Burk) are modeled under various conditions.

    Keywords: Michaelis-Mentenenzymesenzyme kinetics

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    Luria-Delbruck
    These two workbooks model the evolution of phage resistance in a bacterial population under two alternative hypotheses.

    Keywords: phageLuria-Delbruckresistance

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    EvolSeq
    An Excel worksheet that simulates the molecular evolution of DNA sequences.

    Keywords: molecular evolutionDNA

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    Instagram’s Impact on Self-Esteem of Local High Schoolers
    Social media’s effects on connecting people worldwide and its exponential growth in usage sparked studies on its effect on the mental state of users. In the local community of Saratoga,...

    Keywords: social mediamental health

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