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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.

Give or Take?
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In this outdoor activity, learners work in pairs using their senses—especially touch—to learn more about individual trees.

Marine Ecosystems
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In the wild, small crustaceans known as brine shrimp live in marine habitats such as saltwater lakes.

Sustainable Grazing
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In this activity, learners investigate the food, water, and space needs of common livestock animals.