Composition of sea water
Marine Life Zones
Oceanic Productivity
Marine Organisms
Feeding Relationships
100
The total amount of solid material dissolved in water
What is salinity
100
The marine-life zone beyond the continental shelf
What is the oceanic zone
100
The use of light energy to convert water and carbon dioxide into energy-rich glucose molecules
What is photosynthesis
100
All organisms that drift with ocean currents
What is plankton
100
A nourishment level in a food chain
What is tropic level
200
Two factors that influence seawater density
What is temperature and salinity
200
The zone between high and low tide
What is the intertidal zone
200
The production of organic compounds from inorganic substances through photosynthesis or chemosynthesis
What is primary productivity
200
Animal like plankton (example: Larva)
What is zooplankton
200
A sequence of organsims through which energy is transferred
What is a food chain
300
The way salinity is typically expressed (How do we measure salinity?)
What is parts per thousand
300
The marine-life zone that extends from the low tide line out to the shelf break
What is the neritic zone
300
The process by which certain microorgansims create organic molecules from inorganic nutrients using chemical energy
What is chemosynthesis
300
Algal plankton (diatoms)
What is phytoplankton
300
A group of interrelated food chains
What is a food web
400
Two sources of sea salt
What is chemical weathering and earth's interior
400
The zone where sunlight is strong enough for photosynthesis to occur
What is Euphotic zone
400
The low availability of solar energy limits photosythesis productivity in this area
What is polar oceans
400
organisms living on or in the ocean bottom
What is benthos
400
What all food chains begin with which is the most abundant organisms in the world
What is primary producer
500
Two processes that increase salinity
What is evaporation and formation of sea ice
500
The the three factors used to divide the ocean into distinct zones
What is availability to sunlight, the distance from the shore, and the water depth
500
The area of low productivity limited by the lack of nutrients
What is tropical ocean
500
An organism representing each of the 3 categories of marine life
What is nekton= benthos= plankton=
500
The percentage of light energy made available to next trophic level following phytoplankton
What is 10%
M
e
n
u