Fact 1: Viruses are usually considered to be nonliving.

Fact 2: Viruses Viruses are the simplest organisms known.

Given the two facts above, answer the question "the simplest organisms known are usually conisdered to be what?" with the following options: 
- more abundant
 - ferns
 - fungi
 - seeds
 - nonliving
 - homogenous
 - bacteria
 - warm-blooded


 

     nonliving    