Archaea and eubacteria were found to be most different because _____.

some archaea are anaerobic

archaean biochemistry is more similar to that of eukaryotes than that of eubacteria

archaea don't have a true nucleus

almost all archaea reproduce asexually

Verified Answer :

Archaean biochemistry is more similar to that of eukaryotes than that of eubacteria.
The
kingdom of single-celled microorganisms is the Archaea and the are
prokaryotes, where they have no cell nucleus or any other membrane-bound
organelles in their cells. Eubacteria are also prokaryotic cells
lacking nucleus, which are true bacteria.

The correct answer is B. Archaean biochemistry is more similar to that of eukaryotes than that of eubacteria