Human Impact on Marine Ecosystems

Humans depend on the ocean for all of the following except?

• Food

• Transportation

• Trash Storage

• Jobs

Oceans play an important role in what important global cycle?

• Carbon dioxide levels

• Water Cycle (Freshwater production)

• Oxygen production

• All of the above

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Which of the following is not a renewable energy source produced by the ocean?

• Oil and gas

• Wave energy

• Current energy

• Wind Energy

Which of the following is not a non-renewable resource produced by the ocean

• Current energy

• Oil

• Natural gas

• Minerals like copper and gold

Which of the following ocean activity does NOT contribute to the world's economy?

• Commercial Fishing

• Tourism

• Transportation

• Mining Polution

Is the following an example of a positive or negative impact on the earth's ocean systems?

Artificial reefs placed on the seafloor enhance marine life by creating new reef habitats.

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Is the following an example of a positive or negative impact on the earth's ocean systems?

Commercial fishing nets often times scrape the seafloor scooping up everything in its path. Dredge fishing destroys habitat and kills bycatch (fish, sharks, and other marine life caught unintentionally).

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-LS2-5

Is the following an example of a positive or negative impact on the earth's ocean systems?

Fertilizers from farms runoff into rivers and create dead zones at the mouth of rivers in our world's oceans.

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Is the following an example of a positive or negative impact on the earth's ocean systems?

Fishing licenses regulate the number of fish and the size of fish that can be caught.

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-LS2-5

Is the following an example of a positive or negative impact on the earth's ocean systems?

Fishing regulations create fishing seasons (time of year people are allowed to fish) to allow fish the opportunity to reproduce and increase species population.

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5