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Assessment
What is hypoxia in aquatic environments?
A condition where there is a deficiency of oxygen in the water.
A state of excessive nutrient enrichment in water.
The presence of pollutants in the water causing toxicity.
A measure of water temperature fluctuations.
Which of the following is a potential consequence of hypoxia on fish populations?
Increased competition for resources.
Decreased reproductive success.
Enhanced growth rates in fish.
Improved water quality.
Which species are most affected by hypoxia?
Benthic and demersal species, which live on or near the bottom.
Pelagic species, which swim in deeper waters.
Cold-water species that thrive in high oxygen conditions.
All fish species are equally affected by hypoxia.
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