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Assessment
What role do nutrients play in aquatic food webs?
They serve as the primary energy source for all food web organisms.
They help to maintain population dynamics among aquatic species.
They are necessary for the growth of primary producers, which support the food web.
They act as pollutants that disrupt the food web.
Which nutrient is typically considered to be the limiting factor in freshwater ecosystems?
Potassium
Nitrogen
Phosphorus
Sodium
How do excess nutrients affect aquatic ecosystems?
They promote biodiversity by supporting more species.
They can lead to algal blooms that disrupt food webs and oxygen levels.
They have no effect on aquatic ecosystems.
They enhance water clarity and quality.
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