Plasmodium and mosquitoes
a. What human disease is caused by Plasmodium? _____
b. What two animals act as alternate hosts for Plasmodium? ______ and _______
c. Describe the life cycle stage of Plasmodium that is injected into humans by the female Anopholes mosquito.
Malaria is a deadly human disease. It is transmitted by Anopheles. Malaria is caused by a parasitic protozoon Plasmodium which spends part of its life in man and part in the body of female Anopheles. The mosquito acts as a vector. About two dozen species of Anopheles are important natural vectors of malaria in different regions of the world. In malaria there is high recurring fever accompanied by chills and shivering, some times with convulsions till the teeth chatter. The patient gets violent headache and nausea followed by sweating so profuse that clothes are wet, then the temperature drops till the next attack.