Human impact on the hydroshpere

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-LS2-4

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-LS2-4

NGSS.MS-LS2-5

NGSS.MS-LS2-1

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

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

The great pacific garbage patch collects trash from our oceans currents from around the world.

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-3

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

Recycling trash helps prevent plastic and other unwanted trash from entering our ocean systems.

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-ESS3-3

Humans depend n oceans for-.

• Transportation

• Oxygen

• Food

• Weather

• All of these are correct.

How do the oceans contribute to the amount of Oxygen in the Earth's atmosphere?

• Fish in the ocean produce oxygen.

• Phytoplankton in the ocean produce oxygen through the process of respiration.

• Phytoplankton in the ocean produce oxygen through the process of photosynthesis.

Tags

NGSS.MS-LS1-6

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

• Fertilizers used on land.

• Sand drifting along the bottom of the ocean floor.

• Oils found on city streets.

• Emissions from gas-burning vehicles.