Question

prokaryote living
b
pathogen
protein coat nonliving
which of the following would best complete section a of the diagram? (choose 2)
a bacteria
b virus
c smaller
d larger

Explanation:

Section A is described as prokaryote and living. Bacteria are prokaryotic and living organisms. Viruses are non - living (have a protein coat and are non - living as described in the other part of the diagram). "Smaller" and "Larger" are not relevant in terms of the biological classification described for Section A.

Answer:

A. Bacteria