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Macroinvertebrate Inventory Name _________________________ Per _____ Aquatic Macroinvertebrate are small but not microscopic creatures without a backbone. Some examples are mosquito larvae, snails, and crayfish. They are an important link in the food chain and are good indicators of overall stream health. A stream ecosystem with high biodiversity (lots of different kinds of life) is healthier than one with little diversity. To find macroinvertebrates, look under rocks or other debris in the stream like sticks. Stirring the sediments and gravel will often dislodge them and they can be captured in a net. Define Macroinvertebrate and give 2 examples not listed above: Type # Taxa Define Biodiversity: Circle your best estimate for the creek’s biodiversity of macro’s: low medium high Detailed sketches of 2 macroinvertebrates from the key (may be ones you found or not) 1) 2) Judging from the way they look, what do you think macroinvertebrates eat? What types of animals could eat them?