Howard Hughes Medical Institute
Modeling Trophic Cascades
In the ecological game of who eats who, one small change can have a big impact! Individuals create food chains in an array of ecosystems, then determine what happens to organisms in the chain when one organism changes its feeding...
Howard Hughes Medical Institute
Niche Partitioning and DNA Metabarcoding
What is DNA metabarcoding? Show your biology class the latest method for studying biodiversity in an ecosystem with a fun, informative interactive. Individuals examine the animal species that compete for vegetation, then learn how their...
Howard Hughes Medical Institute
Lesson 2: Gorongosa National Park
How has Gorongosa National Park changed over time? Discover the park's rich history, dating back to primitive human times, through an interactive timeline and scientific reading. The second installment in an eight-part series explores...
Howard Hughes Medical Institute
Lesson 1: WildCam Gorongosa
Take a walk on the wild side! Episode one of an eight-part series of interactive lessons regarding Gorongosa National Park invites learners to become a part of the citizen science community. Scholars read a brief overview of the trail...
PBS
Symbiotic Strategies: The Secret Lives of Sharks and Rays
Learners investigate the interaction in an oceanic ecosystem. For this symbiotic relationship lesson, high schoolers investigate how ecological relationships evolve over long periods of time in order to maintain balance and stability of...
Curated OER
High School EcoHouse Curriculum
How has the level of carbon dioxide changed over recent years, and what is contributing it? Groups work together to research and present their findings in a creative way. Also built into the lesson is a visit to a sustainable house, but...
Illustrative Mathematics
Logistic Growth Model, Abstract Version
Here learners get to flex some serious algebraic muscles through an investigation of logistic growth. The properties of the constant terms in the logistic growth formula are unraveled in a short but content-dense activity. Moving...
Biology Junction
Reptiles
When crocodiles close their mouths, you still see their teeth, but when alligators close their mouths, their teeth are hidden. Learn more about these reptiles and their many evolutionary cousins in a fact-filled presentation. It...