SEAWATER COMPOSITION
MARINE ORGANISM CLASSIFICATION
MARINE LIFE ZONES
PRIMARY PRODUCTIVITY
FEEDING RELATIONSHIPS
100
Besides Earth's interior, the source of salt in seawater
What is Chemical Weathering of rocks?
100
This type of marine life drifts with ocean currents.
What is plankton?
100
This zone is the upper part of the ocean into which sunlight penetrates.
What is the photic zone?
100
Primary productivity is influenced by
What is the availability of sunlight and nutrients?
100
The transfer of energy between algae and herbivores is about
What is 2%?
200
Elements such as chlorine, bromine, sulfur, and boron get into the ocean from this primary source.
What is volcanic eruptions?
200
Benthos organisms are found ...
What is on or in the ocean bottom?
200
This is the zone located seaward from the low-tide line to the edge of the continental shelf where 90% of the world's fisheries are located.
What is the neritic zone?
200
The productivity in polar oceans is limited by
What is the availability of sunlight?
200
Plankton rely on algae and this for survival.
What sunlight?
300
When temperature increases, the density of water ...
What is decreases?
300
Seaweed does not live in the abyssal zone because there is a lack of
What is sunlight?
300
This zone lies beyond the continental shelf.
What is the oceanic zone?
300
Productivity in tropical regions is limited by
What is the availability of nutrients?
300
What is the relationship between herbivores and carnivores?
What is carnivores eat herbivores?
400
The thermocline does not exist in this latitude (high or low)
What is high latitude?
400
Characteristics used to divide marine life zones.
What is availability of sunlight, distance from shore, and water depth?
400
This zone includes any sea bottom surface regardless of its distance from shore.
What is the benthic zone?
400
This barrier prevents the mixing of surface water and deep water masses in tropical regions.
What is the thermocline?
400
These marine organisms are primary producers.
What is algae and plankton?
500
When oceanwater salinity increases, the density ...
What is increases?
500
Becuase the photic zone is the part of the ocean into which sunlight penetrates, it includes the following marine life zones
What are intertidal, neritic, oceanic, pelagic, benthic, and euphotic zones?
500
This zone is characterized by extremely high water pressure, low temperature, no sunlight, and sparse life.
What is the abyssal zone?
500
Temperate regions are found at this latitude.
What is mid-latitude?
500
This is a feeding stage.
What is a trophic level?
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