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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.

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

In this activity, learners create a map of a hidden surface using a "sounding stick" -- a technique similar to how underwater maps were once made.

In this field study, learners discover how to collect data in the field and how their efforts can help certain animals, specifically, amphibians.