Question

In the 1990’s, scientist showed that Archaea and Bacteria are very different groups of organisms. How did the impact the classification system of organisms? A. The levels of classification decreased. B. The levels of classification increased. C. The trinomial nomenclature was introduced. D. The bionominal nomenclature was introduced.

Answer 1

B. The levels of classification increased. Previously there were only 2 domains of life, Bacteria and Eukarya, but an additional domain and Kingdom were added when the distinction of Archaea was observed.