What is the smallest organism in the ocean?



  1. 0 Votes

    Viruses are the smallest organisms in the oceans. Also, they are the smallest on land. They cause diseases in different organisms.

  2. 0 Votes

    Not all scientists consider viruses as “organisms” as they are DNA or RNA with only a protein shell and when dormant no biological activities occur.  The smallest living organism are unicellular bacteria and the smallest animal in the ocean are various species of zooplankton.

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