Respuesta :

Prokaryotes (2 billion years ago)

Answer:

Prokaryotes are the oldest organisms and are divided into two groups, the acheabacteria and the eubacteria.

Explanation:

Organisms are divided into two mains groups, prokaryotes and eukaryotes, in 1977 Carl Woese separated prokaryotes into two subgroups:

  • Eubacteria, the most common bacteria form, some examples of these bacteria are probiotic and pathogenic
  • Archaea, consisting of extremophiles

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