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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.
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    Teaching Selection Mechanisms to 9th Graders using "Are You My Species?" Data Nugget
    Teaching notes related to the use the of Data Nugget "Are You My Species?" to teach mechanisms of selection and quantitative skills in a 9th grade Biology classroom.
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    Exploring Fitness and Population Change under Selection: Avida-Ed Lab Book Exercise 3
    An introductory activity exploring the process of natural selection in action using the Avida-ED simulation.
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    Exploring Population Change without Selection: Avida-Ed Lab Book Exercise 4
    An introductory activity exploring how a population changes without natural selection using the Avida-ED simulation.
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    Allele and Phenotype Frequencies in Rock Pocket Mouse Populations
    A lesson that uses real rock pocket mouse data collected by Dr. Michael Nachman and his colleagues to illustrate the Hardy-Weinberg principle.
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    Exploring Random Mutation and Selection: Avida-Ed Lab Book Exercise 2
    An introductory activity exploring the role of random mutation in natural selection using the Avida-ED simulation.
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    Population Genetics: Limits to Adaptation
    This module introduces gene flow in the context of understanding the persistence of maladaptive traits in some populations. It is intended for an introductory biology audience.
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    Cohort Life Tables
    This module introduces cohort life tables in the context of understanding demographic processes and how they affect populations. It is intended for an introductory biology audience.
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    Joel E. Greengiant Learns About Peas: From Nucleotides to Selection
    This case study follows purveyors of peas, Joel E. and Jolene Greengiant, as they learn about the origin, biochemistry, genetics and eventual artificial selection of sweet (wrinkled) peas, all in...
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    Sickle Cell Disease and Natural Selection in Humans
    A short film explores the evolutionary connection between an infectious disease, malaria, and a genetic condition, sickle cell anemia. The animation explores the genetic causes and biological...
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    Riverbird distributions and habitat use
    Riverbirds are widespread, use diverse riparian habitats, and respond rapidly to changing conditions. Students can apply riverbird data to evaluate hypotheses about these responses, while gaining...
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    Mendelian Genetics, Probability, Pedigree, and Chi-Squared Statistics
    A lesson that requires students to work through a series of questions pertaining to the genetics of sickle cell disease and its relationship to malaria.
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    Examining human impacts on tusk evolution in elephants using authentic research data
    In this activity students explore and analyze real, authentic research data paired with HHMI’s “Selection for Tuskless Elephants” video in a hands-on investigation of human impacts on elephant...
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    Will You Find This Humerus? Homology Lab
    Students will compare and contrast the morphology of vertebrate forelimbs, and will use this knowledge to draw conclusions about their common ancestor and descent with modification.
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    Origin and Diversity of Armor in Girdled Lizards
    The girdled lizards (Cordylidae) are a family of distinctively armored lizards endemic to Sub-Saharan Africa. Students examine lizards in this family to classify the lizards based on morphological...
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    Hardy-Weinberg Equilibrium
    This module introduces the Hardy-Weinberg model in the context of understanding the population's genotype and allele frequencies. It is intended for an introductory biology audience.
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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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    Sickle Cell Disease Case Study
    A short film explores the evolutionary connection between an infectious disease, malaria, and a genetic condition, sickle cell anemia. The animation explores the genetic causes and biological...
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    That Vertebrate Ate What Exactly?
    During the course of this lesson, students will analyze CT scan data and observe bycatch (or an unknown discovery) captured during the scanning process of vertebrates.
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    Evolution of Tusklessness in African Elephants
    The exploitation of African elephants in the form of ivory poaching is exacerbated by warfare. The affects of this anthropogenic evolutionary force on the African savanna elephant (Loxodonta...
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