Show:
Habitats
Zones and Currents
Salinity and Dissolved Oxygen
Tides and Topography
Mystery!
100
This habitat is characterized by no light and food raining down from above.
What is the benthos?
100
This is a warm water surface current.
What is the Gulf Stream?
100
Why is the Caribbean water so clear?
There is very little microscopic life (plankton)
100
The shallowest part of the continental margin that is closest to land is called what?
Continental Shelf
100
What happens to pressure as depth increases?
It increases
200
This habitat is characterized by high diversity, high salinity, and warm waters.
What is a coral reef?
200
Currents in the Northern Hemisphere move in what direction?
What is clockwise?
200
What factor INCREASES salinity?
What is evaporation?
200
This type of tide produces the highest highs and the lowest lows.
What is a spring tide?
200
The ability of aquatic organisms to maintain proper water balance is called...?
Osmoregulation
300
This type of grass is the predominant species in a salt marsh.
What is cordgrass?
300
What are large circular ocean currents called?
What is a gyer?
300
Freshwater fish _______ water, which saltwater fish ______ water.
GAIN...LOSE
300
This structure forms when oceanic crust sinks below continental crust.
What is a trench?
300
What process involves a chemical reaction that produces light in deep sea organisms?
Bioluminescence
400
This habitat is very productive, dominated by grasses, and provides a nursery for fish.
What is a salt marsh?
400
This zone is the area of very heavy wave action.
What is the intertidal zone?
400
List three factors that affect the level of dissolved oxygen in the ocean.
What are temperature, amount of organisms, and number of decomposers?
400
Nutrient rich water being brought to the surface is an example of what?
Upwelling
400
What are two reasons why eelgrass in the LI Sound is dying?
Mute swan predation, poor water quality, or disease
500
What are two reasons why eelgrass is important to the Long Island Sound?
Helps stabilize the bottom and prevents erosion. Provides a nursery for fish.
500
The pelagic zone can be divided into these two zones:
What are the oceanic and neritic zones?
500
Which of the following DOES NOT affect salinity: Plankton concentration or Proximity to the Shore?
Plankton Concentration
500
This ocean floor structure is a hill of accumulated sediments found at the bottom of a continental slope.
What is a continental rise?
500
How do algae blooms negatively affect the LI Sound's Pelagic Zone?
What is hypoxia (decreases amount of dissolved oxygen)