The Ocean Environment

Many species of ocean organisms live in coral reefs. The map shows that most coral reefs are found near the equator. What does the location of coral reefs suggest about coral organisms?

• Corals need warm seawater to survive.

• Corals mostly live around volcanic islands.

• Ocean currents keep corals from migrating.

• Most ocean waters are too deep for corals.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

As salinity  increases

• Density increases

• Density decreases

Which ocean, the Atlantic or the Pacific, has higher average surface salinities?

• Pacific

• Atlantic

Tags

NGSS.MS-ESS2-6

At which latitudes are the highest surface salinities located? See graph the Atlantic or the Pacific

• About 20o N and S latitude

• About 30o N and S latitude

What is letter D?

• Cont. Shelf

• Mid-Ocean Ridge

• Volcanic Island

• Seamount

Tags

NGSS.MS-ESS2-3

Seamount is similiar to...

• a volcanic island

• a small mountain or volcano

• The Great Plains

• The Grand Canyon

The amount of salt found in water is -

• temperature

• salinity

• pollution

• clarity

Which letter is the Abyssal Plain?

• B

• C

• D

• E

Tags

NGSS.MS-ESS2-3

Which number represents the Arctic Ocean?

• 7

• 2

• 4

• 9

A guyot has a flat top due to

• Swift ocean currents

• Weathering and erosion when it was an island

• Bioerosion over time

• The density of the rock it's made out of