wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Ecology Disruption in the Chesapeake Bay

Total questions: 14

Worksheet time: 10mins

Name
Class
Date
1.

How do algal blooms start?

a)

Amount of fish increases

b)

Amount of nutrients increase

c)

Amount of oxygen increases

d)

Amount of toxins increases

2.

Which of the following supports the reason why algal blooms are harmful?

a)

Produce oxygen in the water

b)

Block out the sun for floor growing plants

c)

Produce shade for plants and animals underneath

d)

Produce carbon dioxide in water

3.

Where is the Chesapeake Bay located?

a)

Northeast (top right corner) of United States

b)

Southeast (bottom right corner) of United States

c)

Northwest (top left corner) of United States

d)

Northeast (bottom left corner) of United States

4.

Where do algal blooms grow?

a)

The surface of the water

b)

Underneath the surface of the water

c)

From the bottom of the water

5.

Which producer is responsible for producing harmful algal blooms

a)

sea floor algae

b)

sea grass

c)

floating algae

d)

kelp seaweed

6.

All of the following occurred after large scale fishing EXCEPT

a)

Humans were added

b)

Most of the abundant species became rare

c)

Most of the rare species became abundant

d)

Alligators and manatees became extinct

e)

There are less connections between the organisms

7.

What happens to the amount of farming as human population increases?

a)

Increases

b)

Decreases

8.

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)

a)

Increases

b)

Decreases

9.

Floating algae like nutrients. What happens to the population of floating algae as nutrients increases?

a)

Increases

b)

Decreases

10.

What happens to the population of bottom growing plants and seagrass when floating algal blocks sunlight?

a)

Increases

b)

Decreases

11.

If plants die, what happens to the population of detritivores (bacteria that eat dead organisms)?

a)

Increases

b)

Decreases

12.

As the population of detritivores increases, what happens to the amount of oxygen in the water?

a)

Increases

b)

Decreases

13.

What happens to the population of fish if there is less oxygen?

a)

Increases

b)

Decreases

14.

What is the role of oysters and algal blooms? (2-3 sentences)

4 lines