Human Impact on Ecosystems

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

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NGSS.MS-ESS3-3

NGSS.MS-LS2-5

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.

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NGSS.MS-ESS3-4

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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.

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NGSS.MS-ESS3-4

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

• Oil Spills

• Acid Rain

• Runoff

• Wind

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NGSS.MS-ESS3-4

Human activities constantly affect the ecosystems that are in close proximity with human settlements. The graph shows the population of oak trees around the city of Greenville, South Carolina. If all other factors remain the same, what will most likely happen to the oak tree population over the next five years if the human population continues to grow?

• If all other factors remain the same, what will most likely happen to the oak tree population over the next five years if the human population continues to grow?

• The oak population will increase as people become more aware of environmental issues.

• The oak population will stay the same as people plant new trees to replace trees that are cut.

• The oak population will decrease as people build more homes.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Human activities constantly affect the ecosystems that are in close proximity with human settlements. The graph shows the population of oak trees around the city of Greenville, South Carolina. If all other factors remain the same, what will most likely happen to the oak tree population over the next five years if the human population continues to grow?

• If all other factors remain the same, what will most likely happen to the oak tree population over the next five years if the human population continues to grow?

• The oak population will increase as people become more aware of environmental issues.

• The oak population will stay the same as people plant new trees to replace trees that are cut.

• The oak population will decrease as people build more homes.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What will most likely happen to the ecosystem as people begin driving on the highway? There could be multiple responses.

• the animal population will decrease because some individuals are struck by cars

• every species in the forest will be struck and all consumers will no longer exist

• deer will still overpopulate regardless of the road

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NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Waste chemicals being dumped by a factory will affect​ (a)   most in the ecosystem.

• animals living in the river

• workers in the factory

• people in the city

• animals living in the fields

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

How can humans reduce our negative effect on ecosystems?

• recycling

• logging

• deforestation

• introducing invasive species

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NGSS.MS-ESS3-3

NGSS.MS-ESS3-4

NGSS.MS-LS2-5

What will most likely happen to the ecosystem as people begin driving on the highway? There could be multiple responses.

• the animal population will decrease because some individuals are struck by cars

• every species in the forest will be struck and all consumers will no longer exist

• deer will still overpopulate regardless of the road

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4