Question

Which is the most ancient group of microorganisms?

Answer 1

Answer:

Archaea are the oldest forms of microorganisms

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Answer 2

heyyyy mate....

Bacteria are ancient, microscopic organisms found everywhere on Earth. They are single-celled microbes with prokaryotic cells and have been around for over 3.5 billion years.

example --- cynobacteria , archaebacteria . etc.....