Middle School Science Lesson Plans- Macroinvertebrates
Macroinvertebrate Field Guides
Macroinvertebrates are animals without backbones that are visible without the use of a microscope. Many organisms in a pond depend on the macroinvertebrates as a food source. A diversity of macroinvertebrates is necessary to support a healthy aquatic ecosystem. The type of macroinvertebrates that are present in a pond can also be used to indicate the quality of the water. Some macroinvertebrates cannot survive in polluted water while others can survive or even thrive in polluted water.
Before our trip to the WWTP your group needs to be familiar with the characteristics that can be used to identify the macroinvertebrates you might collect. You will use a reference guide to help in the identification process called a dichotomous key. To prepare for the trip you will practice and learn how to use the key. Each group of 8-10 kids will have their own key to keep with them and be responsible for identifying the organisms that you find.
|MacroInvertebrate Name |Tolerance Value |Water Quality |Distinguishing Characteristics |
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