Ocean Zones
In the neritic zone there is a large variety of ocean plants and animals. What would need to exist in this zone in order for them to survive?
Sunlight and enough food for them to survive
If there were one type of starfish living in the shallow waters of the ocean and one starfish living in the bottom of the deep ocean zone, why would you never find these 2 species together?
They each prefer different levels of salinity.
Which sample has a greater mass? 40 mL of fresh water or 40mL of seawater?
40 mL seawater
As you go deeper in the ocean what happens to the temperature?
The temperature decreases
What do ocean currents and upwelling provide for organisms to use?
nutrients
Animals and plants that live at ocean's bottom are covered by sinking garbage and _____________
sediments
What causes surface ocean water to have a higher amount of salt?
evaporation
Is sea water more dense or less dense than freshwater?
more dense
Thermohaline circulation is the result of what 3 factors?
salinity, temperature, density of water
Complete the list of Earth's oceans: Arctic, Atlantic, Pacific, Indian and ___________.
Southern
Organisms like phytoplankton provide energy to marine sea life, what zone do they live in?
Photic
Salinity refers to ________________________ of a body of water.
dissolved salt content
When pressure increases, the density of water______________
Increases
Oceans absorb heat near the equator and move it toward the poles to_____________ temperature.
moderate
One of the reasons oceans are important is because it's a place for a large number of _________________.
organisms
The deepest parts of the ocean floor are in what zone?
Benthic zone
What causes the salts to dissolve in our oceans?
The weathering of the soil, sand, and rocks
When salinity decreases, the density of water________________.
decreases
Do temperatures on land change more quickly or less quickly than the temperatures of ocean water?
more quickly
What part of the vertical zone of the ocean makes up the majority of the ocean?
Aphotic
Seawater aquariums rarely (if ever) have fish that live in the deepest parts of the ocean. This is because they have adapted to the intense__________ and ____________ temperatures of the deep ocean.
Pressure and cold
Is there more or less salinity at the mouth of a river?
less
As temperature increases, the density of water______________.
decreases
Warm water moving along the Gulf Stream across the Atlantic ocean results in lots of ____________ for the United Kingdom?
rain
Without oceans, there would be less of what
Evaporation, Precipitation, humidity (less water vapor), temperature would change more rapidly, less biodiversity (lower number and type of organisms)