Protozoa are Always

Question

Protozoa are always:
A)multicellular
B)parasitic
C)heterotrophic
D)photosynthetic

Accepted Answer

Protozoa are unicellular organisms that obtain their nutrients by ingesting other organisms or organic matter. They are therefore heterotrophic. They may be parasitic, but not all of them are. They are not multicellular or photosynthetic.