AnswersGV 2019 - MPS Environmental Science Semester 2 SC631Coral Reefs

Wetlands Answers

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1
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Wetlands improve water quality by _______.

A
filtration
B
distillation
C
osmosis
D
all of the above
2
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Which of the following is not a way in which wetlands filter water?

A
nutrient absorption
B
oil absorption
C
sediment trapping
D
bacterial absorption
3

Wetlands are limited to freshwater.

A
T
B
F
4

Which of the following is not true of marshes, swamps, and bogs?

A
They can be seasonal or permanent.
B
They have very little groundwater.
C
They can be very important to migrating animals.
D
They are considered the most biodiverse ecosystems.
5

Wetlands help slow the process of erosion by trapping sediments.

A
T
B
F
6

The abundance and variety of foods available in wetlands is a large contributor to their biodiversity.

A
T
B
F
7

Swamps can occur seasonally.

A
T
B
F
8

Small particles of organic material are called _______.

A
discharge
B
peat
C
detritus
D
brackish
9

Halophytes can be found in salt marshes.

A
T
B
F
10

Which of the following factors is least influential in affecting the biodiversity of wetlands?

A
type of wetland
B
food abundance
C
high levels of nutrients
D
water abundance
11

Why are wetlands important to the health of the overall environment?

A
They reduce the levels of erosion by trapping sediment.
B
They support a wide variety of organisms.
C
They are a medium for the filtration and cleansing of water.
D
All of the above are true.
12

How do wetlands reduce flooding and erosion?

A
Wetlands reduce flooding and erosion by filtering water.
B
Wetlands reduce flooding and erosion by absorbing water and then releasing it slowly.
C
Wetlands reduce flooding and erosion through decreased vegetation.
D
All of the above
13

What contributes to the high level of biodiversity found in wetlands?

A
the large amount of available organic matter to organisms that are food for larger organisms
B
the amount of available water for organism use
C
the high nutrient availability
D
all of the above
14

Which of the following is not characteristic of marshes?

A
shallow water
B
frequent floods
C
acidic groundwater
D
herbaceous plants
15

What distinguishes bogs, marshes, and swamps from each other?

A
Bogs are deeper than marshes and swamps, and swamps and marshes have acidic groundwater.
B
Swamps are deeper and have a larger proportion of surface water than marshes, and bogs have acidic groundwater.
C
Marshes have great biodiversity, while bogs and swamps have more water but less biodiversity.
D
Bogs, marshes, and swamps are different names for wetlands based on location and not differing characteristics.
16

Saltwater wetlands are more likely to be inland, while freshwater wetlands are more likely to be close to coasts.

A
T
B
F
17

What characteristic is important for plants found in saltwater wetlands?

A
tolerance to high temperatures
B
tolerance to salinity
C
a range of climate zones
D
all of the above

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