The organism that causes malaria is transmitted to humans by the bite of mosquitoes.Once in the human bloodstream,this unicellular organism takes up residency inside the red blood cells.It has a nucleus and other cellular structures that are visible upon microscopic examination of the blood.This pathogenic organism is the
A) protest, Plasmodium. B) fungi, Plasmodium. C) protist, Amoeba. D) fungi, Amoeba.