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WorksheetsEcology Disruption in the Chesapeake Bay
Total questions: 14
Worksheet time: 10mins
How do algal blooms start?
Amount of fish increases
Amount of nutrients increase
Amount of oxygen increases
Amount of toxins increases
Which of the following supports the reason why algal blooms are harmful?
Produce oxygen in the water
Block out the sun for floor growing plants
Produce shade for plants and animals underneath
Produce carbon dioxide in water
Where is the Chesapeake Bay located?
Northeast (top right corner) of United States
Southeast (bottom right corner) of United States
Northwest (top left corner) of United States
Northeast (bottom left corner) of United States
Where do algal blooms grow?
The surface of the water
Underneath the surface of the water
From the bottom of the water
Which producer is responsible for producing harmful algal blooms
sea floor algae
sea grass
floating algae
kelp seaweed
All of the following occurred after large scale fishing EXCEPT
Humans were added
Most of the abundant species became rare
Most of the rare species became abundant
Alligators and manatees became extinct
There are less connections between the organisms
What happens to the amount of farming as human population increases?
Increases
Decreases
As farming increases, what happens to the amount of nutrients and fertilizer that leaks into the Chesapeake Bay? (Nutrients and fertilizer is used in growing food)
Increases
Decreases
Floating algae like nutrients. What happens to the population of floating algae as nutrients increases?
Increases
Decreases
What happens to the population of bottom growing plants and seagrass when floating algal blocks sunlight?
Increases
Decreases
If plants die, what happens to the population of detritivores (bacteria that eat dead organisms)?
Increases
Decreases
As the population of detritivores increases, what happens to the amount of oxygen in the water?
Increases
Decreases
What happens to the population of fish if there is less oxygen?
Increases
Decreases
What is the role of oysters and algal blooms? (2-3 sentences)
