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Questions and Answers
What are the phototrophic producers of the open ocean known as?
What are the phototrophic producers of the open ocean known as?
- Phytoplankton (correct)
- Diatoms
- Zooplankton
- Cyanobacteria
Which cyanobacteria fix nitrogen as well as carbon?
Which cyanobacteria fix nitrogen as well as carbon?
- Chrysophytes
- Synechoccus
- Prochlorococcus
- Trichodesmium (correct)
What process breaks down about half of the microbial biomass in the food web?
What process breaks down about half of the microbial biomass in the food web?
- Decomposition
- Viral predation (correct)
- Photosynthesis
- Predation by zooplankton
What is the major sink for carbon and nitrogen in the ecosystem?
What is the major sink for carbon and nitrogen in the ecosystem?
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Which organisms fix both CO2 through photosynthesis and consume microbial prey?
Which organisms fix both CO2 through photosynthesis and consume microbial prey?
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