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    Exaggerated Traits and Breeding Success in Widowbirds
    National Center for Case Study Teaching in Science- this interrupted case focuses on sexual selection in widowbirds.

    Keywords: Evolutionexperimental designsexual dimorphismsexual selectionNatural SelectionWidowbirdsbirdintrasexual selectionintersexual selectionhandicap hypothesis

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    Data, Distributions, and Hypotheses: Exploring Diversity and Disturbance in the Tallgrass Prairie
    Proper hypothesis generation, data handling, graphing, and communication are essential skills that undergraduate majors in biology are expected to master. However, students rarely get hands-on...

    Keywords: Quantitative reasoningRestoration EcologyScience process skillstall grass prairie ecosystem

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    Coevolution or not? Crossbills, squirrels and pinecones
    This case reinforces the concept of coevolution as a reciprocal change in genetic structure between or among two or more populations, by having students analyze and interpret data, build a...

    Keywords: fitnessCoevolutionCo-adaptation

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    Functional and structural analysis of Amylase activity
    This exercise was developed to allow students to apply the scientific method and use their knowledge of enzymes to investigate the relationship between enzyme activity and structure. Students...
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    Transpiration
    In this lab, students will examine differences between C3 and C4 plants in their transpiration rates.

    Keywords: plant physiologybotanylaboratoryResource Type

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    2009-Das-EtAl-Bioeconomic harvesting of a pre-predator fishery
    This paper deals with the problem of non-selective harvesting of a prey–predator system by using a reasonable catch-rate function instead of usual catch-per-unit-effort hypothesis.

    Keywords: predator-preyharvestingPontryagin’s maximum principlebioeconomicbionomic equilibriumbiotechnical productivitycatch-rate functionoptimal equilibrium

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    2008-Jai-Li-Differential equations models for interacting wild and transgenic mosquito populations
    We formulate and study continuous-time models, based on systems of ordinary differential equations, for interacting wild and transgenic mosquito populations.

    Keywords: Mosquito borne diseasespopulationsHolling-II-type mating ratestransgenic mosquitoesnonhyperbolic equilibriummosquitoes

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    Finch Evolution Collection
    Over the past four decades, biologists Rosemary and Peter Grant have documented the evolution of the famous Galápagos finches

    Keywords: EvolutionResources @ HHMI - BioInteractive

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    Discovering biodiversity in Honduras with TJ Firneno
    TJ talks to us about the different types of biodiversity, why they are important, and about his research involving the discovery of a new species of microhylid in Honduras! If you or your students...

    Keywords: geneticsmorphologyBiodiversitytaxonomyamphibians

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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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    Role of Crop Genetic Diversity on Pathogen Impact: The Tale of Two Pathogens
    Introductory genetics courses are part of the core curriculum in many different fields, including plant breeding, animal science, biology, microbiology, and natural resource management. Concepts...

    Keywords: plant pathologygenetic diversityDisease TriangleModes of Reproduction

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    Teaching Biodiversity with Museum Specimens in an Inquiry-Based Lab
    In response to the growth of biology datasets and broad efforts to digitize data, an increasingly important skill for science students is the management and analysis of large datasets. We designed...

    Keywords: data analysisnatural historyphylogenyBiodiversitymammalsAllen's RuleBergmann's Ruleecogeographymuseum research

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    2010-Kar-Chakraborty-Bioeconomic_modelling_of_a_prey_predator_system_using_differential_algebraic_equations
    We propose a biological economic model based on prey-predator dynamics where the prey species are continuously harvested and predation is considered with type II functional response.

    Keywords: economicsbifurcationharvestfisheryequilibriumdifferential algebraic equation

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    Where Does Elsie's Hair Color Come From? A "De-Simplified" Pedigree Lesson
    Pedigree analysis is part of most Genetics curricula, but the examples traditionally used in genetics courses present phenotypes as if they were entirely and inexorably defined by genotype. This...

    Keywords: pedigreeMultifactorialphenotypic variationpenetranceexpressivityquantitative variation

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    2015-Boggess-EtAl-Mathematical Modeling in Ecology - Simulating the Reintroduction of the Extinct Passenger Pigeon
    To determine under which conditions a Passenger Pigeon could survive a reintroduction into a natural habitat, we used two types of models.

    Keywords: simulationagent-based modelingallee_effectPassenger Pigeonsforest envirnomentHolling Type III functional responseBio-energeticstree distributions

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    2007-Ramsay-Hooker-Campbell-Cao-Parameter estimation for differential equations-a generalized smoothing approach
    We propose a new method for estimating parameters in models that are defined by a system of non-linear differential equations.

    Keywords: estimating equationfunctional data analysisGauss–Newton methodparameter cascadeprofiled estimationdynamic system

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    Venom Diversity & Evolution in Reptiles and Amphibians - An education module for university students
    This module contains information for a three part series introducing the venom system in reptiles and discussing it in an evolutionary context. In the first part venom and its ecological roles are...

    Keywords: geneticsEvolutionecologyHerpetologyAmphibans and ReptilesVenom

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    Studying phylogeny by producing phylogenetic trees of primates using morphological and molecular characteristics.
    An assignment constructing phylogenetic trees using shared, derived morphological traits and molecular differences among 18 primate species and two outlier species has been developed. Skull and...
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    Cladistic Analysis Lesson Using Bats
    Phylogenetic analysis can be a challenging concept to grasp for undergraduate biology students. This cladistic analysis lesson utilizes the amazingly diverse Order Chiroptera as a model to...

    Keywords: batsphylogeny and classificationVertebrate Morphologycladistic analysisbat evolution

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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

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