The answer is plasmodium falciparum. Plasmodium Falciparum is pernicious quotidian, malignant, and tropical malarial parasite. This is unicellular and protozoan in nature. It is the most dangerous of the Plasmodium species and causes malaria in humans. The most common malaria causing parasite of this species is the female anopheles mosquito. The body of this mosquito is the main reason for the transmission of malaria.