Salt Marshes and Mangroves Answers

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1
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Which of the following is a benefit of having a healthy salt marsh?

A
Salt marshes provide a habitat for juvenile fish.
B
Salt marshes act as a buffer for storms.
C
Salt marshes support marine life found in estuaries.
D
All of the above
2
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Why do many fishermen support efforts to protect and restore mangrove forests?

A
Most fishermen are environmentalists.
B
Many fish breed in mangrove forests.
C
They lay their nets in mangrove forests.
D
Mangrove forests provide valuable hardwoods.
3

The salinity in salt marshes can vary throughout the day because _______.

A
river flow changes throughout the day
B
the amount of salt water in a marsh depends upon ocean tides
C
daily winds and rains result in salt and fresh water mixing
D
salt water collects in the lowest elevations
4

Salt marshes are found _______.

A
at high elevations
B
away from the coast
C
on high energy coastlines
D
on low energy coastlines
6

Mangrove forests play an important role in _______.

A
fisheries
B
coastal protection
C
wildlife habitat
D
all of the above
9

Which of the following does not explain the importance of mangrove forests?

A
They provide shelter to organisms on high energy coasts.
B
They help prevent erosion along coasts.
C
They increase surface runoff and flooding.
D
They filter and process pollutants out of the environment.
11

Which of the following is not true concerning salt marshes?

A
Historically they were drained for agriculture.
B
Historically they were drained for development.
C
Salt marshes are not productive habitats.
D
Remaining marshes are severely degraded.
12

Mangrove have two types of specialized root systems.

A
T
B
F

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