24 Questions
What type of plants can be found in ponds and lakes in freshwater ecosystems?
Green algae, gnats, and water lilies
What type of animals may live in ponds and lakes in freshwater ecosystems?
Turtles, frogs, and crayfish
What is an example of a creature that lives under the surface of the water in freshwater ecosystems?
Plankton
How do trout adapt to living in rivers and streams in freshwater ecosystems?
They have streamlined bodies that help them swim against water currents
What is the primary role of wetlands?
Filtering water and removing various pollutants
What is the distinguishing characteristic of estuaries' water?
Less salty than ocean water but more salty than river water
What is the primary energy source for photosynthesis in the ocean?
Sunlight
What happens to sunlight as depth in the ocean increases?
It gradually decreases until it disappears at approximately 200 meters
What is the main factor that affects organisms living in different ocean zones?
Tides, temperature, salinity, water pressure, and sunlight
What do most living creatures in greater ocean depths primarily feed on?
Each other and other materials from the surface
Where are estuaries located?
Where water flows from rivers into oceans or seas
What is the primary role of swamps?
Providing a habitat for diverse plant and animal life
Most ponds and lakes have a cover of green algae on the surface of the water
True
Reed techniques, such as deep roots anchoring to the bottom, are an example of living creatures adapting to rivers and streams
True
Wetlands are areas where the water level is close to the soil surface most of the time
True
Rivers and streams empty into ponds and lakes in freshwater ecosystems
False
Swamps and wetlands are not important for breeding birds and other animals
False
Estuaries have water that is more salty than river water
True
The primary role of oceans is to serve as a habitat for different forms of life
True
Photosynthesis in the ocean primarily relies on geothermal energy
False
Sunlight gradually increases as depth in the ocean increases
False
The water becomes cooler as depth increases in the ocean
True
Most living creatures in greater ocean depths primarily feed on sunlight
False
Estuaries are not important natural resources
False
Test your knowledge of freshwater ecosystems with this quiz! Explore the different biota and characteristics found in ponds, lakes, streams, rivers, and swamps. From algae-covered surfaces to the diverse plant and insect life, learn more about the fascinating world of freshwater ecosystems.
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