Eutrophication & Succession
Flashcard
•
Science
•
8th - 9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is eutrophication?
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 are the main nutrients that contribute to eutrophication?
Back
The main nutrients that contribute to eutrophication are nitrogen and phosphorus.
3.
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.
4.
FLASHCARD QUESTION
Front
How does algae growth affect aquatic ecosystems?
Back
Rapid algae growth can block sunlight from reaching underwater plants, disrupt food chains, and lead to oxygen depletion when the algae die and decompose.
5.
FLASHCARD QUESTION
Front
What is the role of fertilizers in eutrophication?
Back
Fertilizers contain high levels of nitrogen and phosphorus, which can run off into water bodies and promote eutrophication.
6.
FLASHCARD QUESTION
Front
What happens to oxygen levels during eutrophication?
Back
Oxygen levels decrease as algae die and decompose, leading to hypoxic conditions that can harm aquatic life.
7.
FLASHCARD QUESTION
Front
Can eutrophication occur in rivers?
Back
TRUE, eutrophication can occur in both rivers and lakes.
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