Question
Biology Question on energy flow through ecosystems
The greatest biomass of autotrophs in the world's oceans is that of
A
benthic brown algae, coastal red algae and daphnids
B
benthic diatoms and marine viruses
C
sea grasses and slime molds
D
free-floating micro-algae, cyanobacteria and nanoplankton
Answer
free-floating micro-algae, cyanobacteria and nanoplankton
Explanation
Solution
Phytoplanktons, diatoms and dinoflagellates are the dominant producers in the world's oceans. Diatoms tend to dominate in Northern waters while dinoflagellates are quite common in sub-tropical and tropical waters