Humans Dependence on Oceans

People depend on the oceans for __________________.

• Natural resources

• Food and water

• Transportation

• All of the above.

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.

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.

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NGSS.MS-ESS3-4

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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Fisheries renew themselves naturally each year, but __________________ has caused a shortage of fish in some areas.

• Aquaculture

• Fishing regulations

• Overfishing

• Global warming

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The use of light energy by organisms to convert CO2 and H2O into organic molecules is

• chemosynthesis

• consumption

• photosynthesis

• decomposition

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Corals die because of ________________

• boat anchors that destroy or break the corals.

• the gradual warming of the ocean's temperature

• irresponsible divers that kick the corals.

• All of the above

Tags

NGSS.MS-LS2-4

What happens when a fertilizer runoff happens?

• Fish get bigger.

• Algae grow rapidly.

• The water becomes very clear.

• The oxygen level in the water increases.

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How can you help impact the environment in a positive way

• recycle

• drive less, creating less pollution

• save water

• all of the above

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NGSS.MS-ESS3-3

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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.