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Aquatics 2nd 6 Weeks Review
Terms in this set (28)
A large volume of water flowing in a certain direction
A type of vertical current that carries water from the surface to deeper parts of the ocean
A narrow, powerful surface current which flows away from the shore
A wind-driven and shallow ocean current
A cold-water current that affects coastal areas of the southwestern United States
A warm-water current that affects coastal areas of the southeastern United States by transferring lots of thermal energy and moisture to the surrounding air
Earth's major wind belts; influences the formation of ocean currents and the direction they move
These winds push surface waters toward the equator
These winds push surface waters toward the poles
The global conveyor belt is driven by differences in density
Great Ocean Conveyor Belt
A.K.A Thermohaline Circulation
Movement of water due to changes in density; Scientists estimate that this model takes about 1,000 years to complete a cycle
The Earth's rotation on its axis causes ocean currents and winds to curve to the right (clockwise) in the Northern Hemisphere and to the left (counter clockwise) in the Southern Hemisphere
A warm surface current in equatorial eastern Pacific that occurs periodically around Christmas time
Describe how upwelling occurs
Water is brought to the surface which is enriched with nutrients important for productivity that in turn supports richly productive marine ecosystems
Describe how downwelling occurs
This occurs when surface water come together, pushing the surface waters downwards. These regions have low productivity because the nutrients get used up and are not continuously resupplied.
Describe how Ekman Spiral and Ekman Transport work in a unified model
The Ekman Spira describes the speed and direction of the flow of surface waters at various depths. The Ekman Transport is the net transport of water.
The oceans cover approximately ________ percent of Earth's surface.
The oceans contain approximately ________ percent of all the Earth's water.
The photosynthesis of what forms the base of the ocean's food web?
Taxonmy: Classification system order
Kingdom, Phylum, Class, Order, Family, Genus, Species
What kingdom is algae found in?
Types of Algae
Red, green, brown
What makes algae unique?
Algae are protists that photosynthesize and live in a colony
What kingdom does seagrass belong?
Cell walls are made out of?
What defines most plankton (swimming)?
Plankton are organisms that drive passively or swim so weakly that they cannot move against a current
Phytoplankton vs. Zooplankton
Phytoplankton are tiny plants or algae that photosynthesize and Zooplankton are weak-swimming animals
What are some examples of Holoplankton?
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