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Assessment
What is one primary way human activities impact marine nutrient cycles?
Overfishing depletes fish populations leading to nutrient imbalance.
Increased rainfall enhances nutrient availability in marine ecosystems.
Oil spills nourish marine life by providing hydrocarbons.
Sewage treatment plants promote higher biodiversity in marine environments.
How does agricultural runoff affect marine nutrient cycles?
It decreases ocean acidity, benefiting marine organisms.
It leads to nutrient overload, causing algal blooms.
It helps restore natural nutrient levels in coastal areas.
It has no significant effect on marine ecosystems.
What role do coastal wetlands play in marine nutrient cycles?
They act as a source of pollution to the oceans.
They provide a filtration system for excess nutrients.
They prevent sedimentation in marine environments.
They have no impact on nutrient cycles.
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