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Freshwater Test Part 3
Test Description: Rivers, Lakes, and Wetlands
Instructions: Answer all questions to get your test result.
1) What is the meaning of the word Olgiotrophic?
A
When plants grow out of control and die and no oxygen is left for fish and they die
B
Production is considered moderate
C
Describes a lake or river with low productivity
D
Having concentrations of nutrients that are perfect for plant and animal life
2) What is the meaning of the word Mesotrophic?
A
Having concentrations of nutrients that are perfect for plant and animal life
B
Describes a lake or river with low productivity
C
When plants grow out of control and die and no oxygen is left for fish and they die
D
Production is considered moderate
3) What is the meaning of the word Eutrophic?
A
Describes a lake or river with low productivity
B
Production is considered moderate
C
Having concentrations of nutrients that are perfect for plant and animal life
D
When plants grow out of control and die and no oxygen is left for fish and they die
4) What is the meaning of the word Eutrophication?
A
Production is considered moderate
B
Describes a lake or river with low productivity
C
When plants grow out of control and die and no oxygen is left for fish and they die
D
Having concentrations of nutrients that are perfect for plant and animal life
5) What does the Rivers and Harbors Act do?
A
A day dedicated to improving water quality
B
One of the first pieces of legislation that regulated pollution
C
An act that places limits on the type of pollution that is allowed in water
D
An organization that enforces pollution limits
6) What is the Clean Water Act?
A
One of the first pieces of legislation that regulated pollution
B
An organization that enforces pollution limits
C
An act that places limits on the type of pollution that is allowed in water
D
A day dedicated to improving water quality
7) What is the difference between an artificial levee and a natural levee?
A
they are both built by humans
B
one is man made and the other is made by humans
C
one is created by humans and the other is formed by deposits of sediment
D
they are both created by deposits of sediment
8) What is the difference between point source pollution and nonpoint source pollution?
A
They both come from specific locations
B
One comes from a specific location and the other can come from anywhere
C
They both can come from anywhere
D
One comes from a specific area and the other one can appear out of thin air
9) How do wetlands reduce erosion?
A
Acts as a sponge and release water slowly
B
Removes nutrients
C
Plant roots trap dirt and speed up water
D
Plant roots hold soil in place and slow water
10) Which of the following is not a wetland animal?
A
Beaver
B
Seal
C
Frogs
D
Alligators
*select an answer for all questions
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