Marine Ecosystem

In which oceanic zone do clams and crabs survive by burrowing in the sand?

• oceanic

• deep sea

• open sea

• intertidal

What lives on or near the bottom of the ocean?

• Plankton

• Nekton

• Benthos

• Hydrothermal Vents

What is microscopic and floats in the ocean?

• Plankton

• Benthos

• Nekton

• Fish

Tags

NGSS.MS-LS1-1

Many organisms that live in the rocky intertidal zone are able to burrow into the sand or have shells than can close tightly because they need to withstand the ...

• pounding of the waves

• changes in salinity

• periods of being underwater and exposed to air

• changes in density

The part of the ocean where ecosystems do not rely on sunlight to create nutrients, but instead rely on chemicals released from inside the Earth to sustain life ...

• the intertidal zone

• around hydrothermal vents

• the deep zone

• the surface zone

Tags

NGSS.MS-LS2-3

The part of the ocean that extends from the edge of one continental shelf to the other is called the...

• neritic zone

• open-ocean zone

• intertidal

• deep zone

Tags

NGSS.MS-ESS2-4

Water is brought to an estuary from a variety of sources. Which of the following is responsible for increasing the salinity in the estuary?

• Rivers

• Streams

• Urban Run-Off

• Tides

Which zone of the ocean is known for having the highest biodiversity?

• A) Abyssal zone

• B) Neritic zone

• C) Bathyal zone

• D) Hadal zone

Tags

NGSS.MS-LS2-5

What is the primary producer in most marine ecosystems?

• A) Zooplankton

• B) Phytoplankton

• C) Coral

• D) Seaweed

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a major threat to coral reefs?

• A) Overfishing

• B) Ocean acidification

• C) Increased salinity

• D) Sedimentation

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5