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Organisms can be used as bio-indicators. These sites contain various resources such as images, video clips, lesson plans to help students learn the concepts of bio-indicators and how to use them to monitor environmental changes.


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This site contains conceptual information about the definition of bio-indicators, types of bio-indicators, and how they work to detect changes in environmental health.
Learn more about bio-indicators and see various research projects in this field.
Here is a case study of how frogs are bio-indicators of water pollution. Click on the video link on the right side of this page to listen to Dr. Hayes explain why we should worry about the presence of artificial hormones in the environment.
Learn how and why tardigrades can be used as environmental bio-indicators. Relevant pictures and research process are displayed on this page.
Here is a lesson plan about how leaf stomata can be used as bio-indicators of environmental change. This lesson plan includes background information and many useful reference resources. NOTE: This site includes ads.
Here is a student activity teaching how to use milkweed to identify air pollution.
This site contains an image gallery for lichen pictures. Click on "The image bank", you will see several pictures of lichens.
Students can learn how to use lichens and tardigrades (water bears) to investigate their use as bio-indicators of key air pollutants.
Students can learn how fish, insects, algae, plants and other aquatic life can provide accurate information about the health of a specific waterbody. Indicators
This 23-page PDF file contains many useful information about how lichen indicates air pollution.
Learn how to use lichen mapping for determining air quality.

Education Standards


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