4.7 Oceans Review

Label A is the ___________.

• Abyssal Plain

• Continental Rise

• Trench

• Continental Shelf

What is salinity?

• The measure of salt dissolved in water

• Thick layers of sediment on the ocean floor

• Mixing of water at different temperatures

• Runoff sand, mud, and rocks into the ocean floor

Label C is the ___________.

• Abyssal Plain

• Continental Slope

• Trench

• Continental Shelf

Which organisms in the food web are grouped as FLOATING organisms?

• Small fish

• Algae and kelp

• Phytoplankton

• Sea Otter

Which organism could be a PRODUCER in the ocean food web?

• Baby fish

• Whales

• Algae

• Invertebrates
  (shellfish)

What can you infer based on the graph?

• Salinity increases as it gets deeper

• Salinity is highest on the continental slope

• Salinity is highest on the continental shelf

• Salinity is highest on the surface

What is the MAIN cause of the tides?

• Runoff from nearby land

• Melting icebergs & evaporation rates

• Difference in temperature of the ocean water

• Moon's gravitational pull

The __________ is the flattest part of the ocean floor.

• Continental Shelf

• Abyssal Plain

• Ocean Trench

• Continental Rise

As you increase the depth in the ocean, all of the following are true EXCEPT:

• The variety of organisms increases

• The amount of sunlight increases

• The temperature decreases

• The pressure increases

Which depth has the LOWEST salinity level?

(Hint: click the graph to make it larger.)

• 0 meters

• 500 meters

• 1000 meters

• 3000 meters