Ocean Basins
Term that describes water that is safe to drink.
Potable
Is the measure of the ocean’s saltiness
Salinity
life zone where organisms cope with the greatest variability of conditions.
intertidal zone
Turbidity Currents.
Underwater landslides
The most important source of fixed nitrogen for marine organisms is this.
cyanobacteria.
The ocean basin that covers the largest percentage of the earth's surface.
Pacific Ocean
How does the temperature, pressure, and density of water most likely change as you ascend from the floor of the ocean to the surface?
Temperature increases
pressure decreases
density decreases.
Organisms that live between the low tide mark at the shore and the edge of the continental shelf live in this zone.
littoral
Sections of the oceans that are more or less surrounded by land
Seas
Between littoral and photic zones the the zone where benthic organisms are found.
Littoral
The mathematical model that approximates the earth's average surface elevation.
Geoid
The melting/freezing point is __________ by increasing water’s saltiness.
lowered
Organism that are not attached to or do not live on the ocean floor
Pelagic
Computed average of all high and low tides.
Mean Sea Level
This is the only form of light found in the abyssal zone.
bioluminescence
The deep, relatively flat zones of the ocean basins.
abyssal plain
The term that is most closely related to the salinity of a sample of water.
brackish
Clams, corals, and anemones are attached to or live on the ocean floor, they are considered this type of organism.
Benthic
Speed of sound is most closely associated with this physical property.
density
If the atmosphere is 78% nitrogen, the reason the process in which nitrogen cycles through the sea and other environments is so complex.
Nitrogen in the air is naturally inert and need to be fixed.
A coral reef separated from the mainland by a lagoon.
barrier reef
The amount of salt 1000 g of seawater contains on the average.
35g
The main chemical building block of all living things?
Carbon
The most abundant salt found in ocean water.
Sodium Chloride
A ring of low coral reefs surrounding a central lagoon.
atoll