Human Impact on Ocean Ecosystems

Human Impact on Ocean Ecosystems

Assessment

Assessment

Created by

Rosa Herrera

Science

8th Grade

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14 questions

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1.

Multiple Choice

1 min

1 pt

What is one way humans are trying to positively impact the ocean?

Fishing

Creating artificial reefs

Harvesting oil and natural gas

Transporting goods in ocean vessels

2.

Multiple Choice

1 min

1 pt

Media Image

This graph shows the sources of the nitrogen entering the Gulf of Mexico as pollution. What is one conclusion you can make based on the information in the graph?

Nitrogen that comes from the atmosphere is more harmful than nitrogen that comes from crops.

Most nitrogen pollution found in the Gulf of Mexico comes from farming crops.

Corn and soybeans are the only crops associated with nitrogen pollution.

Nitrogen is not a problem in the Gulf of Mexico.

3.

Multiple Choice

1 min

1 pt

Which of the following is NOT a source of pollution in the ocean?

Nitrogen and phosphorus from fertilizers used on land.

Oils found on city streets.

Sand drifting along the bottom of the ocean floor.

Emissions from gas-burning vehicles.

4.

Multiple Choice

30 sec

1 pt

The largest source of pollution in the ocean comes from __________.

Oil Spills

Acid Rain

Runoff

Wind

5.

Multiple Choice

30 sec

1 pt

How are phytoplankton similar to small trees?

Both are at the top of the food chain

Both conduct photosynthesis

Both grow in soil

Both are about the same size

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