Evolutionary evidence is important scientific background for appreciating the theory of evolution. We describe a STEAM-based lesson plan that uses paleontological drawings and a modern evolutionary database to explore and understand fossil, morphological, and molecular evidence. Together, with a focus on arthropods and the Cambrian explosion, students experience a heuristic process common in scientific reasoning, guiding them toward practices that synthesize knowledge and invite questioning in the life sciences.

Keywords:
Cambrian fossil, molecular characters, arthropods, TimeTree, drawing heuristic, morphological characters, storytelling, evolution
© 2020 by The Regents of the University of California
2020
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