Answer:
C
Explanation:
This is because viruses are bigger than bacteria, so it is not A. Bacteria and viruses both cause disease so it is not B. And viruses have genetic material, not bacteria so it is not D. Also viruses are considered nonliving because they don't meet all the characteristics of life, so it is C.
1.producers
2.Primary consumers
3.secondary consumers
4.tertiary consumers
I think it is the somatic nervous system.
The answer would be:
B. Sequence of the bases in DNA molecules.
Here is more about your questions:
DNA contain the instructions of the traits of an organism. Most of the organism have the same DNA but what makes each different is the sequence of the DNA. The sequence gives the instructions for the production of amino acid that will produce, which in turn determines what traits will be passed on or manifested by that individual.