5 Questions
What is the primary importance of dissolved oxygen (DO) mentioned in the text?
It determines the quality of water for aquatic life.
What happens when more oxygen is consumed than produced in a water body?
DO levels decline, and sensitive animals may move away, weaken, or die.
Which factor does NOT affect the DO levels in water?
Salinity
Which statement is true about the relationship between water temperature and DO levels?
Colder water holds more oxygen than warmer water.
How do DO levels vary with altitude?
DO levels decrease with higher altitudes.
Test your knowledge about the importance of dissolved oxygen (DO) in water for aquatic life. Learn how DO levels fluctuate with temperature, altitude, and over time, impacting the health of plants and animals in aquatic ecosystems.
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