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    Species-Area Relationships
    This module introduces species-area curves in the context of understanding spatial diversity patterns. It is intended for an introductory biology audience.

    Keywords: ecologyexponential equationsOpenStaxlogarithmic equations

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    Body Size Constraints in Xylem Feeding Insects: Allometric Relationships
    This module introduces body size constraints of xylem-feeding insects in the context of understanding allometric relationships. It is intended for an introductory biology audience.

    Keywords: allometryRatiosexponential equationslogarithmic equationsGenetics and Evolution

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    173

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    Prosecutor’s Fallacy and Mammograms Case Study
    An introduction to Prosecutor’s Fallacy, and False Positives/Negatives. By Dr. Diaz Eaton, Bates College, for use in DCS 105A, and inspired by Calling Bull & Calculated Risks.

    Keywords: ProbabilityExcelcalling bullMammogramsData UnderstandingVisualizing Outcomes

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    Make Your Move: Interpreting graphs of pollinator behavior
    In this lesson, students interpret graphs of pollinator movement behavior. Then, students view and reflect on an interview with community ecologist Dr. Suann Yang., who collected the data that they...

    Keywords: graph interpretationCommunity EcologyBiodiversitycompetitiondata literacypollinationinvasive plantsinterspecific interactionsBioGraphIrepresentation in STEM#AAPIinSTEM#BIPOCinSTEM

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    Plants We Eat: Learning Form and Function from Fruits and Vegetables
    This high school or undergraduate lab consists of four activities that guide students through learning about plant parts from the fruits and vegetables with which they are already familiar....
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    Cardiac Output
    This module introduces Fick's principle in the context of understanding the cardiac output. It is intended for an introductory biology audience.

    Keywords: linear regressionproportionslinear equationsOpenStaxAnimal Physiology

    989

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    197

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    NEON_PDSI
    Users access and manipulate drought data and visualize these data to learn about historical drought patterns.

    Keywords: Palmer Drought Severity Index

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    236

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    Sizes of Organisms: The Surface Area to Volume Ratio
    This module introduces surface area-volume ratio in the context of understanding the limits or constraints on organism size. It is intended for an introductory biology audience.

    Keywords: RatiosstructureSurface AreabiomechanicsGeometryFunctionsVolumeOpenStax

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    Mars Colony
    In this exercise students work in groups to design an agroecosystem to feed a Mars Colony while accounting for space and energy transfer limitations.

    Keywords: SimBioResources @ SimBio

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    Island Frogs
    This is an exercise in island biogeography that allows students to reconstruct splits in the evolutionary history of several hypothetical frog species.

    Keywords: Resources @ SimBio

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    Cell Aggregation and Sphere Packing
    This module introduces the calculation of packing density in the context of understanding cell aggregation and arrangement. It is intended for an introductory biology audience.

    Keywords: RatiosGeometryInequalitiesCell StructureCell GrowthCell AggregationSphere Packing

    955

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    188

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    Case Study — World records as measures of senescence or randomness
    This is a project meant to accompany the Case Study that Carl Bergstrom, which uses R to explore whether declining track and field world record performance could be an artifact of sample size (less...

    Keywords: RRStudioprogrammingsampling distributionProbability & Statisticsrandomnesscontinuous probability distribution

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    512

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    Single Factor Analysis of Variance (ANOVA)
    This swirl lesson introduces students to theoretical and practical concepts about single-factor ANOVA analysis and an approach to conduct this type of analysis using R.

    Keywords: ANOVATukey HSD

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    Electrical and chemical communication in the nervous system
    This activity guides students through an online tutorial to examine the electrical and chemical communication of neurons.

    Keywords: introductory biologyneurobiologyanatomy and physiologyCell communication

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    Sorting through the Data
    Meet Thomas McElrath, a insect collection manager at the Illinois Natural History Survey and beetle researcher. Tommy explains the value of data standards while discussing beetles and variations...

    Keywords: data standardssexdata skillsBiodiversity data usage

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    Leaping Lemur Life History
    This interrupted case study is intended for use in lower-division biology or ecology courses to complement the SimUText (SimBio) Life History chapter. Students practice calculating life history...
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    Diversity Indices: Simpson's D and E
    This module introduces Simpson's diversity index in the context of understanding how to mathematically measure the species diversity in a community. It is intended for an introductory biology...

    Keywords: ecologydiversityFunctionsOpenStaxdiversity index

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    761

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    Interspecific Competition: the Lotka-Volterra Model
    This module introduces the Lotka-Volterra Model in the context of understanding interspecific competition. It is intended for an introductory biology audience.

    Keywords: differential equationsecologyLotka-Volterrainterspecific interactionsstate-space graphs

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    333

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    Osmoregulation
    This module introduces the osmotic work equation in the context of understanding osmoregulation. It is intended for an introductory biology audience.

    Keywords: logarithmic equationsAnimal Physiology

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    141

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    Amino Acid Frequency
    This module introduces expected frequencies in the context of understanding amino acid composition. It is intended for an introductory biology audience.

    Keywords: Probabilitylinear regressionamino acidsOpenStaxGenetic InformationAminoAmino Acid Freuency

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    505

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