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Natural Selection in Protected and Unprotected Populations
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In this simulation, learners model two elephant seal populations and how they change over time. Learners start with cards representing a variety of seals.

How Animals Stay Warm
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In this quick activity, learners explore how blubber protects animals from the cold by making a "blubber mitt." Using cooking shortening, two zip-top sandwich bags, and duct tape, learners simulate bl