Question

organisms can be made up of one or many cells. humans and other animals, which have complex body structures and systems, are made up of many cells. bacteria are made up of
a. as many cells as a human.
b. five cells each.
c. only one cell
d. hundreds of cells.

Explanation:

Bacteria are single - celled organisms. They are prokaryotes, which means their cells do not have a nucleus or other membrane - bound organelles. In contrast, humans are multi - celled organisms with complex body structures and systems.

Answer:

C. only one cell