Microscopic And One Celled Organisms

983 Words Oct 17th, 2014 4 Pages
I. Introduction
A. Question (s)
1. What are parasites
a. A parasite lives within or on a separate organism it acquires benefits at the hosts expense i. Protozoa are microscopic and one celled organisms ii. Helminths are large and are multicellular organisms that can be seen by the naked eye during its adult stages iii. Ectoparasites usually serve as vectors and are the cause of much mortality because of disease they spread
2. Affect on organism a. Survival and transmission
i. Protozoa is able to reproduce inside humans contributing to their survival can be free living or parasitic in nature ii. Helminths also can be free living or parasitic in nature but once they reach adulthood they cannot reproduce in humans iii. Ectoparasites act as vector and remain on host for a long time B. Plasmodium
1. Plasmodium falciparum background information a. 48 hour fever cycle i. Found in tropical and subtropical areas ii. 4 different pathways to get into red blood cells iii. In 2012 there were 207 million cases of malaria
2. Plasmodium vivax background information a. 48 hour fever cycle i. usually found in Asia and North Africa ii. Can trigger 6 or more relapses
3. Plasmodium malariae background information a. 72 hour fever cycle i.. Prevelance ranges from 4%-20% ii. can cause a chronic infection for the rest of a person’s
4. Plasmodium ovale background information a. 48 hour fever cycle
i. Those who are negative for a Duffy blood group are more
susceptible…
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