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

In this activity, learners survey living organisms near where they live or go to school, and create a local field guide.

In this activity, learners create a freshwater ecosystem in a large plastic bottle. Learners cut and prepare bottles, then fill with water, aquatic plants, snails and fish.

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