Aquatic Ecosystems Review

What is the difference between freshwater and marine ecosystems?

• A freshwater ecosystem is an aquatic ecosystem with high levels of dissolved salts in the water, marine ecosystem have low levels dissolved salts

• A freshwater ecosystem is an aquatic ecosystem with low levels of dissolved salts in the water, marine ecosystem have high levels dissolved salts

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NGSS.MS-LS2-1

What is this picture an example of in Figure 1?

• Marine ecosystem

• Watershed

• Topography Map

• Climate zones

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NGSS.MS-ESS2-4

How can water that mixes with freshwater and saltwater be described?

• Low Dissolved saltwater

• High Dissolved Salt Water

• Brackish

• Freshwater

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NGSS.MS-ESS2-4

What is an estuary?

• a unique aquatic ecosystem where rivers flow into the open sea

• Are ecosystems that are covered with water for at least part of the year.

• Ecosystems with high dissolved salts

• Ecosystems without trees

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NGSS.MS-LS2-3

Which of the following is considered a pelagic ecosystem? 

• Intertidal Zone

• Neritic Zone

• Littoral Zone

• Limnetic Zone

What is a wetland?

• Ecosystems with low dissolved salts

• Are ecosystems that are covered with water for at least part of the year.

• Ecosystems with high dissolved salts

• Ecosystems without trees

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NGSS.MS-LS2-3

NGSS.MS-ESS2-4

Which description best fits the term "pelagic ecosystem?

• Open water far from the shore

• A wetland dominated by trees

• A wetland dominated by grasses

• The part of landmass that is submerged beneath the ocean

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NGSS.MS-LS2-3

Zone 1 is closest to the shore. Which zone is closest to the shore?

• Intertidal

• Oceanic

• Neritic

• Pelagic

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NGSS.MS-ESS2-6

Which zone represents water above the continental shelf?

(Hint: What is Zone 2?)

• Intertidal

• Oceanic

• Neritic

• Pelagic

Which zone is the deepest and most aphotic in the marine ecosystem? (Hint: What is Zone 7?)

• Intertidal

• Oceanic

• Abyssal

• Pelagic