Observe this life cycle for Naegleria fowleri, an amoebic protozoan also called "the brain eating amoeba". N. fowleri usually completes its entire life cycle by eating bacteria (e.g., in pond water). What is an appropriate term for its relationship with humans? Vector borne parasite Facultative parasite Obligate parasite Ectoparasite

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Parasitic infections

A parasite is an organism that lives in the body of another organism and obtains food at the expense of the host. There are two kinds of parasites they are internal and external. An internal parasite lives inside another organism and is known as endoparasite. An external parasite lives on the body surface of the host and is known as an ectoparasite.