EVERYDAY SCIENCE

SCIENCE

VIRUS AND BACTERIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
How many Domains are currently in the tree of life?
A
one
B
two
C
three
D
six
Explanation: 

Detailed explanation-1: -The three-domain system is a biological classification introduced by Carl Woese, Otto Kandler, and Mark Wheelis in 1990 that divides cellular life forms into three domains, namely Archaea, Bacteria, and Eukaryota or Eukarya.

Detailed explanation-2: -This difference led microbiologist Carl Woese of the University of Illinois to propose reorganizing the Tree of Life into three separate Domains: Eukarya, Eubacteria (true bacteria), and Archaea.

Detailed explanation-3: -The three domains are the Archaea, the Bacteria, and the Eukarya.

Detailed explanation-4: -The Three Domains According to the current system, all the living organisms on the planet can be placed into one of three domains: the Bacteria, the Archaea, and the Eukarya.

Detailed explanation-5: -Classification. The two-domain system defines classification of all known cellular life forms into two domains: Bacteria and Archaea. It overrides the domain Eukaryota recognised in the three-domain classification as one of the main domains.

There is 1 question to complete.