LIFSCI 7B XL - Animation: Dead Zone Questions and Answers Graded A+
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LIFSCI 7B XL - Animation: Dead Zone
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LIFSCI 7B XL - Animation: Dead Zone
LIFSCI 7B XL - Animation: Dead Zone
Questions and Answers Graded A+
What is the primary cause of dead zones in aquatic environments?
Excessive nutrient pollution, particularly nitrogen and phosphorus, leading to algal blooms
that deplete oxygen levels.
How do algal blooms contribute to th...
LIFSCI 7B XL - Animation: Dead Zone
Questions and Answers Graded A+
What is the primary cause of dead zones in aquatic environments?
✔✔ Excessive nutrient pollution, particularly nitrogen and phosphorus, leading to algal blooms
that deplete oxygen levels.
How do algal blooms contribute to the creation of these zones?
✔✔ Algal blooms result in large amounts of algae dying and decomposing, which consumes
oxygen in the water, creating hypoxic conditions.
Why are dead zones particularly harmful to marine life?
✔✔ The lack of oxygen forces fish and other marine organisms to either migrate or die,
disrupting ecosystems and reducing biodiversity.
What is the term used to describe areas in the ocean with extremely low oxygen levels?
✔✔ Hypoxic zones
How can agricultural runoff exacerbate the formation of dead zones?
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