Question

In the 1990s, scientists showed that Archaea and Bacteria are very different groups of organisms. How did this impact the classification system of organisms?

The levels of classification decreased.
The levels of classification increased.
The trinomial nomenclature was introduced.
The binomial nomenclature was introduced.

Answer 1

Its B hope this helps =)

Answer 2

The answer is B. The level of classification increases. In 1950 scientists grouped all living things into five kingdoms which include animals, plants, bacteria, fungi and protista. It was untill 1990 that the scientist realized that bacteria and archaea have different distinct characteristics.