How many cells make up single gelled organisms?

1 cell

Explanation:

Hence the name, single celled organisms, or unicellular organisms, (the prefix uni means one), single celled organisms only have one cell.

This single cell sustains life for the organism and carries out all the necessary processes.

Usually, these types of organisms are extremely tiny and can't be seen without a microscope. For example, bacteria and amoebas are single celled organisms.

in addition to spreading humanist ideas, erasmus has contributed to criticism of corruption in the church.

the answer is d. none of the above