Living Things Ordinarily Too Small to Be Seen with the Unaided

Question

Living things ordinarily too small to be seen with the unaided eye are termed ________.
A)bacteria
B)viruses
C)parasites
D)microorganisms
E)prokaryotes

Accepted Answer

The term "microorganisms" refers to living things that are too small to be seen with the unaided eye. This includes bacteria, viruses, and other microscopic life forms. Parasites and prokaryotes are also small, but not all parasites or prokaryotes are microorganisms. Therefore, microorganisms is the best choice for this question.