Fact 1: Viruses are usually considered to be nonliving. Fact 2: Viruses Viruses are the simplest organisms known. Given the two facts above, the simplest organisms known are usually conisdered to be what?
OPT: (1). more abundant. (2). ferns. (3). fungi. (4). seeds. (5). nonliving. (6). homogenous. (7). bacteria. (8). warm-blooded.
(5).