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Some aquatic organisms live in open water, while some live in soil at the bottom of a body of water.

This laboratory activity helps learners understand the concept of biological succession by simulating the process in a microenvironment with various protozoans.

Learners take a field trip along a local body of water and conduct a visual survey to discover information about local land use and water quality.

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

The Butterflies in Space Teacher's Guide uses "life in space" to encourage learners to conduct their own open-ended scientific investigations.