What is the definition of a freshwater ecosystem?
Year 10 Aquatic Practices Freshwater Ecosystems Quiz

Quiz
•
Science
•
10th Grade
•
Medium

Matt Davies
Used 2+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An ecosystem with water that has high salinity
An ecosystem consisting of habitats with water containing less than 1% salinity
An ecosystem that contains both freshwater and saltwater
An ecosystem found only in coastal areas
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do freshwater ecosystems play in regulating the climate?
They absorb large amounts of carbon dioxide
They provide habitats for terrestrial animals
They filter out salt from seawater
They store carbon and help regulate the climate
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What percentage of the Earth's surface is covered by freshwater ecosystems?
10%
1%
0.8%
5%
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a characteristic of rivers and streams in Australia?
They are always seasonal and dry up in the summer
They include both ephemeral (seasonal) and perennial (year-round) rivers
They are only found in coastal regions
They do not vary in speed or flow
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of wetlands like those found in Kakadu National Park?
To provide a source of drinking water
To act as breeding grounds and filter water
To store salt for later use
To provide recreational spaces for humans
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What process in freshwater ecosystems helps to remove pollutants from water?
Evaporation
Decomposition
Water filtration by wetlands and riparian zones
Photosynthesis
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a common type of submerged plant found in Australian freshwater ecosystems?
Reeds
Duckweed
Eelgrass
Mangroves
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