All living things are either eukarya, bacteria, or archaea. these three broadest categories in the classification of life are called

a. domains

b. kingdoms

c. orders

d. species

It is known that all living things are either the eukarya, bacteria, or the archaea. These three broadest categories in the classification of life are called domains. These also known by the "Three Domain System." The correct answer is A.  

Generally travels west to east but often shifts to north and south

The virus is considered to be are living item since they have hereditary material dnas or rnas. they can imitate and change. they respond to boosts, for example, radiation, chemicals, and warmth. they have antigenic properties. they are proficient to duplicate with a same hereditary constituent.