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

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.

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

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.