Which of the following is the most abundant group of organisms on earth? a.Protists b.Plants c.Bacteria d.Fungi
Which of the following? (a)Protists (b) Plants (c) Bacteria or (d) Fungi? The answers is (c) bacteria - the simplest, smallest, and most abundant organisms on Earth. Bacteria are procaryotic organisms; which indicates a cellular structure lacking an organized nucleus and nuclear membrane. Instead of containing genetic information stored on several chromosomes, bacteria contain a single strand of DNA & reproduce by binary fission.