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Assessment
What is the primary purpose of aquatic bioindicators?
To assess the health of aquatic ecosystems
To measure water temperature
To track fish migration patterns
To analyze sediment composition
Which of the following organisms is commonly used as a bioindicator in freshwater systems?
Trout
Dragonfly larvae
Algae
All of the above
What does the presence of high levels of certain macroinvertebrates, like mayflies and caddisflies, indicate?
Poor water quality
Good water quality
A high level of pollution
Increased sedimentation
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