Pools, Ponds, and Lakes Answers

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1
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Riparian zones are important to the natural environment because they _______.

A
contain pollution from runoff
B
reduce soil erosion
C
support diverse organisms
D
all of the above
2
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Littoral zones are more likely to contain vegetation than riparian zones.

A
T
B
F
3

Eutrophication is always the result of human activity.

A
T
B
F
4

Ponds and lakes can be natural or manmade.

A
T
B
F
5

What important function do stream pools serve?

A
Stream pools serve as a habitat for juvenile fish.
B
Stream pools serve as a habitat for organisms that have difficulty in feeding or navigating swifter areas of the stream.
C
They have greater depth and lower velocity than other parts of the stream, thus allowing a habitat for organisms during dryer seasons.
D
All of the above
6

Eutrophication is caused by _______.

A
an increase in nutrients
B
a decrease in nutrients
C
the introduction of new species of animals
D
the introduction of new species of plants
7

Stream pools are more similar to ponds than lakes are.

A
T
B
F
8

Plankton are most commonly found in the _______.

A
pelagic zone
B
littoral zone
C
benthic zone
D
all of the above
9

The main difference between ponds and lakes is that ponds _______.

A
are inland bodies of water
B
do not develop self-contained ecosystems
C
are smaller than lakes
D
have easily observed currents
10

Rooted plants are most likely found in which aquatic zone?

A
pelagic
B
littoral
C
benthic
D
all of the above

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