Showing 1-4 of 4 Resources
ArticleThis article by Sean B. Carroll tells the story of the search for and discovery of Tiktaalik, an animal with a mix of fish and tetrapod features—a fishapod! It supplements the short film Great Transitions: The Origin of Tetrapods, starring Neil Shubin.
ActivityA lesson in which students analyze graphs and data on pollen grains and fern spores to form a picture of the living landscape before and after the K-T mass extinction.
ActivityA lesson in which students calculate the mass, size, and kinetic energy of the K-T asteroid based on the total abundance of iridium in the K-T boundary layer.
ActivityA hands-on activity in which students see first-hand the difference in foraminifera fossils below and above the K-T boundary. Also available in Spanish.
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