Why is a “ring of life” more appropriate to describe the relationships between archaea, bacteria, and eukaryotes than a “tree of life?

 “Tree of life” is a traditional model that describes the origin of Eukaryotes and the relationships between organisms. According to this model, Eukaryotes and Archaea are sister lineages, both descended from bacterial ancestors.  

Explanation:

On the other side, “ring of life” is a modern model by which Eukaryotes arose from a fusion of the other two domains (Archea and Eubacteria) of life. Ancestors of Archea and Eubacteria fused their genomes to form the first Eukaryote-two different branches of the “tree of life” were fused to form the “ring of life”.

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explanation:

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