What is eutrophication?
Eutrophication & Succession

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Science
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8th - 9th Grade
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1.
FLASHCARD QUESTION
Front
Back
Eutrophication is the process by which a body of water becomes overly enriched with nutrients, leading to excessive growth of algae and depletion of oxygen.
2.
FLASHCARD QUESTION
Front
What causes the sudden increase in algae growth in a lake?
Back
The sudden increase in algae growth is caused by an excess of nutrients, often from fertilizers or runoff.
3.
FLASHCARD QUESTION
Front
What happens to algae when they die in a eutrophic lake?
Back
When algae die, they decompose, which consumes oxygen in the water, leading to low oxygen levels.
4.
FLASHCARD QUESTION
Front
What is a dead zone in aquatic environments?
Back
A dead zone is an area in a body of water where oxygen levels are so low that most marine life cannot survive.
5.
FLASHCARD QUESTION
Front
How does thick algae growth affect photosynthesis in a lake?
Back
Thick layers of algae block light from reaching underwater plants, inhibiting their ability to perform photosynthesis.
6.
FLASHCARD QUESTION
Front
What is the role of oxygen in aquatic ecosystems?
Back
Oxygen is essential for the survival of most aquatic organisms, including fish and invertebrates.
7.
FLASHCARD QUESTION
Front
What is succession in ecological terms?
Back
Succession is the gradual process of change in the species structure of an ecological community over time.
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