Question

Based on diversity, life is divided into Bacteria, Archaea, and Eukarya. These groupings are called _____.a. kingdoms

b. domains
c. species
d. class

Answer 1

b. domains is the correct answer

Step-by-step explanation:

A domain is a taxonomic classification higher than the kingdom level.

The three-domain system proposed by Carl Woese.

The three domains classification

• Bacteria: they have no nuclear membrane.

Examples: Cyanobacteria, Actinobacteria

• Archaea: are prokaryotic and they do have a nuclear membrane.

Examples: methanogens, thermoacidophile

• Eukarya: they have a membrane-bounded nucleus.

Examples: Saccharomycotina,Bryophytes