Examples of Parasitism




Giardia lamblia:  Metabolically active trophozoites reside in the small intestine




Dermacentor andersoni:  vector for a variety of rickettsial diseases.

Hookworms:  Two species, Ancylostoma duodenale and Necator americanus infect humans.  The adults reside in the small intestine.

Pediculus humanus (head louse) adult.

Dirofilaria immitis:  Heartworm of dogs, whose adults reside in the right side of the heart.

Mosquito:  Females ingest blood for the protein.  Male mosquitos ingest plant juices.