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Siemens Science Day: Life Science: The Key to It All
In this hands-on science activity, learners will create their own unique creatures as well as dichotomous keys so that classmates can identify the creature.
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Villanova University: Constructing a Dichotomous Key
This exercise provides information on how to construct a dichotomous key using geometrical shapes. Another exercise shows how a key can be constructed based on traits in a classroom group.