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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.

Measuring Biodiversity
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Learners use a variety of beans to represent a variety of species, and scatter these beans over a large piece of paper representing the environment.

The Egg Activity
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Learners observe the outside and inside of raw chicken eggs, record descriptions, and hypothesize what will happen when a facilitator drops an egg on the floor.

Scientific Measurement Exercise
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Learners measure irregularly shaped bones using a variety of measurement methods and tools. Then, they measure again using standard conventions and metric tape measures.