Sporozoa
Related Category: Moneran and Protistan
(spôr´´əzō´ə), phylum of unicellular heterotrophic organisms of the kingdom
Protista. Unlike most other
protozoans, sporozoans have no cilia or flagella. All species are parasitic and have elaborate life cycles, often requiring more than one host. The best-known sporozoan is
Plasmodium falciparum, the causative organism of
malaria.