Oceans Review

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

• oceanic

• intertidal

• deep ocean

• open ocean

Which will most likely result if there is increased upwelling in a coastal area?

• more aquatic life

• less nutrients in the water

• higher water temperatures

• fewer nitrates

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Why is upwelling important to fish populations?

• It increases DO level by pulling oxygen into the water

• It brings up nutrients from the deep ocean in which fish feed on

• It alters the thermocline to bring up fewer nutrients

• It drags down nutrients to feed benthic organisms

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

How has SONAR technology allowed scientists to develop a greater understanding of the ocean?

• Sonar collects information about freshwater organisms

• Sonar distributes satellite images for data collection.

• Sonar determines different levels of water quality in rivers

• Sonar provides detailed images of small areas of the ocean floor.

Which is a major problem when exploring the deep ocean?

• Increasing temperature

• Increasing oxygen

• Increasing light

• Increasing pressure

Bacteria found in the deep _______ zone usually go through chemosynthesis, while phytoplankton that live in the _________ zone generally go through photosynthesis.

• Photic: aphotic

• Aphotic: photic

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What contributes most in supporting life on the deep ocean floor?

• Cold water temperatures

• Extreme water pressure

• Hydrothermal vents

• Lack of predators

An ocean current is...

• A mass of moving ocean water

• The amount of dissolved salt contained in water

• Water moving from the surface down to the bottom

• When winds in the Pacific ocean do not blow as strongly, causing changes in weather around the world

Tags

NGSS.MS-ESS2-6