WAEC - Biology (2017 - No. 3)
Which of the following organisms cannot exist freely on its own?
Chlamydomonas
Amoeba
Paramecium
Plasmodium
הֶסבֵּר
The plasmodium is a single-celled parasite that multiplies in red blood cells of humans as well as in the mosquito intestine. Hence, it doesn't live freely.