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Functions of Wetlands

Total questions: 25

Worksheet time: 36mins

Name
Class
Date
1.
Water that lies below the ground is called__________.
a)
aquifer
b)
groundwater
c)
watershed
d)
wetland
2.
A wetland is like a sieve because it
a)
filters water
b)
absorbs water
c)
provides habitat
d)
separates water molecules
3.
A wetland is like a sponge because it
a)
absorbs flood water
b)
cleans water
c)
provides habitat
d)
filters water
4.
How was Coastal Louisiana formed?
a)
By ocean currents washing organic matter onto land
b)
By the movement of the Mississippi River, creating lobes of land by depositing sediment
c)
By the eruption of underwater volcanoes forming a series of connecting islands.
d)
By the movement of tectonic plates, forcing land to emerge from underwater
5.
What is a wetland?
a)
An area that is flooded either seasonally or permanently has wet soils and vegetation adapted to wet conditions
b)
An area that is dry throughout the year, has dry soils and vegetation adapted to dry conditions
c)
An area that is dry throughout the year, has wet soil, and vegetation adapted to wet conditions
d)
An area that is flooded either seasonally or permanently has dry soils and vegetation adapted to dry conditions
6.
What is a watershed?
a)
the water in a river, lake or pond
b)
a specific land area that drains water into a river system or to another body of water.
c)
the land formed at the mouth of a river
d)
where fresh river water mixes with salty ocean water.
7.
The sheltered waters and rich supply of nutrients of a wetland function as...
a)
a filter for water.
b)
a means to slow runoff.
c)
habitat for many organisms.
d)
a source of income for people.
8.
Plants in a wetland slow down the flow of water, which helps a wetland provide which function?
a)
water filtration
b)
habitat for organisms
c)
better fishing for people
d)
hiding places for alligators
9.
Wetlands do which of the following: 
a)
help control floods by soaking up water 
b)
filter contaminants from water
c)
provide a home for wildlife
d)
All of the above
10.
What is NOT a function of a wetland?
a)
Filters Water
b)
Provides organisms with a habitat
c)
Improves Water Quality
d)
Causes Erosion
11.
The most significant social and economic benefit that wetlands provide is
a)
Flood Control
b)
Food Supply
c)
Clean Water
d)
Cultural Value 
12.
How is saltwater different from freshwater? 
a)
There is more freshwater than saltwater 
b)
Saltwater has greater salinity 
c)
Freshwater is colder than saltwater 
d)
There are less solid particles in freshwater
13.
A wetland traps sediment because...
a)
plants grow in the sediment.
b)
water evaporates faster in shallow areas.
c)
water moves slowly, allowing sediment to settle.
d)
wetlands are close to the coast.
14.
Wetlands clean out nitrates and phosphates because...
a)
the plants use the nutrients to grow.
b)
the fish consume the nutrients.
c)
the shrimp consume the nutrients.
d)
decomposers attack nitrates and phosphates.
15.
A wetland provides habitat for juvenile fish, shrimp and crabs because...
a)
there are no predators.
b)
there is less tidal action.
c)
there is more food and better places to hide.
d)
wetlands filter sediments.
16.
Which term describes when water is heated by the sun and turns into water vapor?
a)
condensation
b)
evaporation
c)
transpiration
d)
water cycle
17.
Forms of precipitation are---
a)
only sleet and snow.
b)
rain, sleet, snow, and hail.
c)
only dew mists and rain.
18.
Which process describes tiny droplets of water forming from water vapor?
a)
precipitation
b)
evaporation
c)
condensation
d)
clouds
19.
Which terms describes the process of droplets of water in the clouds falling to Earth in different forms?
a)
precipitation
b)
condensation
c)
evaporation
d)
humidity
20.
Most of the Earth's water is found---
a)
underground in aquifers.
b)
in rivers and lakes.
c)
in the oceans.
d)
in wetlands.
21.
The sun drives the water cycle by---
a)
heating the ocean.
b)
rotating on its axis.
c)
giving light to plants.
22.
Where does the energy that powers the water cycle come from?
a)
plants
b)
animals
c)
the sun
d)
heat from Earth's core
23.
The accepted definition of WETLAND is land that is wet...
a)
all the time.
b)
some of the  time.
c)
none of the time.
d)
only in the summer.
24.
A wetland is different from a river because
a)
water never moves through a wetland.
b)
rivers are always more shallow.
c)
rivers are close to the coast but wetlands aren't.
d)
water moves more slowly through a wetland than in a river.
25.
Wetlands help control flooding by
a)
absorbing runoff from heavy rains.
b)
changing the direction of the flow of water.
c)
providing natural water filtration.
d)
quickly releasing water from the reservoir.