Q. 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 moulds
D) Free-floating micro-algae, cyanobacteria and nanoplankton
Explanation
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.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.