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WorksheetsAquatic Ecosystems
Total questions: 16
Worksheet time: 8mins
Water covers how much of the earth's surface?
50%
60%
75%
85%
Which abiotic factor does NOT affect aquatic ecosystems?
Amount of dissolved salt
Water Temperature
Availability of Sunlight
Depth of the water
Standing (not flowing) bodies of water are called what?
Ponds and Lakes
Streams and Rivers
Estuaries
Oceans
Which of these zones in lakes provides enough light for photosynthesis?
Photic Zone
Aphotic Zone
Benthic Zone
Which of these zones in lakes does not provide enough light for photosynthesis
Photic Zone
Aphotic Zone
Benthic Zone
The very bottom of ponds and lakes, consisting of rocks, sand, and sentiment.
Photic Zone
Aphotic Zone
Benthic Zone
Flowing fresh water is known as what?
Ponds and Lakes
Rivers and Streams
Estuaries
Oceans
Which are you more likely to find upstream than downstream.
More animals and plants
More nutrients
Clear Water
More phytoplankton
What do we call the area where fresh water merges with salt water
Lakes
Rivers
Estuaries
Oceans
What famous estuary does the Susquehanna River lead into?
Atlantic Ocean
Chesapeake Bay
Mississippi River
Gulf of Mexico
Estuaries have high nutrient contents that support a rich diversity of life.
True
False
This body of water is 100% salt water
Lakes
Rivers
Estuaries
Oceans
What percentage of aquatic organisms live in coral reefs?
5%
25%
35%
50%
What is the land equivalent of coral reefs in terms of diversity?
Desert
Tropical Rain Forest
Savanna
Coniferous Forest
Deep sea vents allow ______ to escape from the earths core.
Hot gases and Minerals
Plants and Animals
Sunlight
Newly created energy
Do any organisms live in deep sea vents? If so, what kind?
Yes, all types of fish
Yes, squids and sharks
Yes, worms and bacteria
Nothing can live in deep sea vents
