Oceanography Quiz

60 cards   |   Total Attempts: 188
  

Cards In This Set

Front Back
What is life?
The ability to manipulate energy
What are the two sources of energy?
1. Photosynthesis
2. Chemosynthesis
What is the equation for photosynthesis?
Co2+h20 ----> c6h1206+02
What is chemosynthesis?
Co2+o2+h2s ---> c6h1206+s+h20
Where is chemosynthesis found?
Found in the deep ocean, sea floor vents
What is primary productivity?
Converting energy into usable energy
What are phytoplankton?
Drifting photosynthesizing organisms
What are extremophiles?
Single cell organisms that live in the extreme environments such as vents, salt ponds, etc.
What family are extremophiles in?
Archae family
What are trophic levels?
Groups that are defined by their mode of feeding
What are the two trophic levels?
1. Autotrophs- Primary producer, self feeder
2. Heterotrophs- Consumer
What is the correlation between number of organisms to the trophic level?
There are more primary producers than anything else and there are a limited number of top level trophic groups because they take so much energy to sustain them
What 4 elements make up life?
1. Nitrogen
2. Oxygen
3. Hydrogen
4. Carbon
What are biochemical cycles?
The interaction of living and non-living trophic levels
What are limiting factors?
A physical or biological necessity that limits action of organisms