What is the primary characteristic of an oligotrophic lake?

Cyanobacteria and Eutrophication Effects

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Biology
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9th - 10th Grade
•
Hard

Patricia Brown
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
High nutrient levels
Low dissolved oxygen
High turbidity
High dissolved oxygen
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of lake is known for having a lot of nutrients and biodiversity?
Mesotrophic
Eutrophic
Hypotrophic
Oligotrophic
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a common source of nutrients that contribute to eutrophication?
Desert runoff
Urban runoff
Agricultural runoff
Industrial runoff
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to fish populations during eutrophication?
They migrate to other areas
They remain stable
They decrease due to lack of oxygen
They increase due to more food
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which area is known for having hypoxia hot spots?
Pacific Ocean
Indian Ocean
Atlantic Ocean
Gulf of Mexico
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is a potential risk of cyanobacteria blooms?
Decreased nutrient levels
Improved water clarity
Toxic water harmful to humans and animals
Increased fish populations
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which region are toxic algal blooms more likely to occur?
Western states
Northern states
Southern states
Eastern states
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