Human Dependence on Ocean Systems

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 phtosynthesis.

• There is no oxygen production in the ocean.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

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.

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-4

NGSS.MS-ESS3-3

Review the graph showing marine fishing rates.If the fishing rate in Asia continues to grow, what will most likely happen as a result?

• The fish population will continue to rise.

• A wide range in ocean temperatures will be seen worldwide.

• The U.S. human population will decline.

• The overfishing will cause an imbalance in marine ecosystems.

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

NGSS.MS-ESS3-4

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

• Fishing

• Drilling for oil and natural gas

• Creating artificial reefs

• Transporting goods in ocean vessels

Tags

NGSS.MS-LS2-5

An artificial reef is a man made structure that may mimic some of the characteristics of a natural reef.

• True

• False

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which process is responsible for carrying fertilizers that have been applied to crops into bodies of water, such as a river?

• Runoff

• Evaporation

• Ocean Currents

• Tectonic Plate Movement

Tags

NGSS.MS-ESS3-4

What do we depend on the ocean for?

• Food

• Oxygen

• Transportation

• All of the above

What are some positive things that we can do to help ocean ecosystems?

• Over-fishig

• creating artificial reefs

• Recycle

• Both B and C

Tags

NGSS.MS-LS2-5

The process of taking fish out of the ocean before they have a chance to reproduce is called?

• Invasive species

• Over-fishing

• Artificial reefs

• Recycling

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

A species that enters an area from somewhere else and causes disruptions to the native ecosystem?

• Over-fishing

• Artificial reefs

• Invasive species

• Runoff

Tags

NGSS.MS-LS2-4