Zoology with Hanan

Phylum sarcomastigophora Class Zoomastigophora Lack chloroplasts Heterotrophic Parasites of human For example Trypanosoma Trypanosoma brucei (a species of Trypanosoma): Sub species of trypanosoma brucei: T.b. brucei, T.b. gambiense, T.b. rhodesiense.  collectively known as a Trypanosoma brucei complex. The first she is a parasite of nonhuman mammals of Africa. The latter two cause sleeping sickness in humans. Vector of Trypanosoma brucei: Tsetse fly (Glossina spp.) Is an intermediate host and vector of all three subspecies. Disease cycle Cycle in the fly:   A tsetse fly bites an infected human or mammal,  Sucks blood and picks up parasites,  trypanosomes multiply asexually in the gut of the fly for about 10 days, migrate to the salivary glands,  forms a number of body forms in 15 to 35 days. Cycle in vertebrate host: Infected tsetse fly bites another vertebrate host The parasite travel with salivary secretions into the blood of a new definitive host The parasite...