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Assessment
What primary role do sea urchins play in coastal ecosystems?
Grazers of algae
Predators of fish
Producers of oxygen
Burrowers of sediment
Which of the following impacts can an overpopulation of sea urchins have on coastal ecosystems?
Increased biodiversity
Kelp forest decline
Improved fish habitats
Enhanced water quality
What is a common method of controlling sea urchin populations in coastal areas?
Commercial fishing
Seabird introduction
Artificial reef construction
Ecosystem management practices
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