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Quiz 8.3 &8.5

Authored by Nardose Solomon

Science

9th - 12th Grade

Quiz 8.3 &8.5
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is eutrophication?

A process where a body of water is enriched in nutrients

A decrease in water temperature

An increase in fish population

A reduction in water clarity

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What causes an algal bloom in eutrophic environments?

Decrease in water temperature

Decrease in sunlight

Increase in nutrients

Increase in fish population

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens when an algal bloom dies?

Fish population increases

Microbes digest the algae and oxygen

Nutrient levels decrease

Water temperature rises

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a consequence of decreased dissolved oxygen in water?

Large die-offs of fish

Increased water clarity

Increase in algae

Higher water temperature

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are hypoxic waterways?

Bodies of water high in nutrients

Bodies of water low in dissolved oxygen

Bodies of water with high fish populations

Bodies of water with stable algae populations

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do oligotrophic waterways compare to eutrophic waterways?

They have very low amounts of nutrients

They have unstable algae populations

They have high amounts of nutrients

They have low dissolved oxygen

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a characteristic of oligotrophic waterways?

High nutrient levels

Low water clarity

High dissolved oxygen

Frequent algal blooms

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