WorksheetsSatenv
Total questions: 40
Worksheet time: 35mins
Bogs are quite acidic due to the decaying of animal matter.
True
False
One of the main differences between swamps and marshes, is that marshes primarily contain shrubs and trees.
True
False
Dried peat can be used as a source of fuel
True
False
Out of the different types of wetlands, marshes produce the most organic matter.
True
False
Which region in this image would be known as the delta?
A
B
C
D
What does the word lentic mean?
Fast
Small
Slow
Big
What is not an example of a freshwater ecosystem?
Reef
Marsh
River
Pond
Hydric soils are anaerobic, which means they need oxygen.
True
False
Solis that have large amounts of a form of iron (Fe) and are yellow, orange or reddish are:
anaerobic soils
aerobic soils
hydric soils
How much of the Hudson Plains is wetland?
40%
60%
80%
100%
These are habitats that are either underwater, or soaked with water part of the year. (plural)
(a)
Match the following
Zooplankton
microscopic animals
Phytoplankon
microscopic algae
Sandhill crane
bird
Eastern fox snake
reptile
Fowler's toad
amphibian
Which of the following are carnivorous plants found in bogs: (select all that apply)
Round-leaved Sundew
Common Butterwort
Northern Pitcher plant
Eastern Prairie fringed orchid
Spagnum moss
Peatlands are also called (a) which comes from the Cree word maskek and Ojibwe word mashkiig.
Unlike bogs, (a) , this type of peatland are fed by surface and groundwater.
This means the soil there is less acidic. (plural)
Match the following
land ecosystem
terrestrial
water ecosystem
aquatic
bodies of freshwater that do not flow
lentic
flowing bodies of freshwater
lotic
This happens when rocks and soil are washed off the sides of rivers.
(a)
This happens when sediments like sand and silt build up in the river. These sediments can block the river and cause a lake to form.
(a)
Complete each phrase in the old saying describing different sized streams:
You can step over a ____
brook
You can jump over a ____
creek
You can wade across a ____
stream
You can swim across a ____
river
These are a group of bottom-dwelling aquatic animals that don't have backbones.
Some of them can adapt to pollution: (a) invertebrates
These are large plants that grow in or near water. These include cattails, bulrushes, and pondweeds: "Aquatic (a) " (plural)
You may have seen salmon swim up rivers. This happens during their " (a) season" when they need to lay their eggs.
Lakes and ponds can help reduce flooding in towns in cities.
True
False
These are plants or animals that are not native to an area and can outcompete native species for food and habitat often having a negative effect: _________ _________
(a)
Match the following 4 ways that mining affects water quality:
Acid Mine Drainage
H2O & O reacts with sulphide minerals
Heavy Metal Pollution
surface runoff carries metals into water
Processing Chemicals Pollution
chemicals spill /leak into nearby water
Erosion and Depostion
Eroded materials clog rivers and streams
This is defined as any water body with an area smaller than five hectares:
(a)
500km northeast of Thunder Bay, Ontario are the Hudson Bay Lowlands which include a crescent-shaped area called the:
(a)
Match the following
White and Green Sturgeon
Oceans & rivers near Pacific coast
Lake Sturgeon
East of the Rocky Mountains
Atlantic and Shortnose Sturgeon
Near the Atlantic coast
As of 2023, the ___ ___ populations in the Upper Kootenay River and the Upper Columbia River are listed as Endangered under the Species at Risk Act.
(a)
Which of the following are different ways that BC Hydro helps fish safely bypass dams.
fish ladder
fish elevator
screen
fish stairs
demolition of dams
What does it mean when a scientist says a lake has high turbidity?
The water is very cloudy.
The water is very clear.
The water has a high pH level.
The water can support many organisms.
What is another word for the mouth of a river?
delta
ocean
river
sea
____ is the removal of sediment and debris from the bottom of lakes, rivers, and other bodies of water.
Dispersants
Skimming
Vacuum Filtration
Dredging
Which of the following does not affect water quality:
Processing Chemical Pollution
Erosion and Deposition
Heavy Metal Music
Acid Mining Drainage
All of the above
Groundwater is the primary source of drinking water for at least 25% of Canadians.
True
False
Why are peat bogs important.
They look good
They are an important nitrate sink,containing more ‘locked-away’ nitrates than the Earth’s forests.
They are an important carbon sink,containing more ‘locked-away’ carbon than the Earth’s forests.
They have the same name as a guy I know
Why should we conserve Peat bogs
To slow down the rate of global warming
To conserve biodiversity
Both are correct
Why isn't peat decomposed by bacteria?
The bacteria only decompose the plant and animal remains
Bacteria cannot survive without water
The bacteria sink to the bottom of the peat bog
Bacteria cannot survive in an acidic, anaerobic environment
