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Amphibian Skin
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In this activity, learners explore the concept of permeability to better understand why amphibians are extremely sensitive to pollution.
Habitable Worlds
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In this group activity, learners consider environmental conditions—temperature, presence of water, atmosphere, sunlight, and chemical composition—on planets and moons in our solar system to determine
Marine Ecosystems
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In the wild, small crustaceans known as brine shrimp live in marine habitats such as saltwater lakes.