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Assessment
What is one of the primary roles of riparian zones in river ecosystems?
Filtering pollutants from the water
Increasing water temperature
Reducing biodiversity
Shallowing the riverbed
Which of the following organisms is typically a top predator in river ecosystems?
Trout
Dragonfly larvae
Algae
Decomposers
What impact does dam construction have on river ecosystems?
Increases sediment flow downstream
Creates artificial habitats for fish
Alters natural water flow and temperature
Reduces water quality immediately upstream
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