Quiz 1 Terms
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What is parasitology?
The study of parasites
Organisms living together
symbiosis
Organisms travel together but don’t have any biological dependence on each other
Phoresis
What are some examples of mutualism?
Lichens Termites/ flagellates Filarial worms/ bacteria Cleaning symbiosis
One partner benefits, the other is neither hurt/ helped
Commensalism
a relationship where one participant harms its host or lives at the expense of the host
Parasitism
live on the surface of the host
Ectoparasites
live inside the host
Endoparasites
not usually parasitic but can become so (some amoebas)
Facultative
need a host to survive at least for some life stages
Obligate
live entire adult lives in/on host
Permanent parasites
feed on host then leave
Temporary/intermittent parasites
temporary parasites
Micropredators
large, kill, not symbiotic
Predators
small, don’t kill, symbiotic
parasites
Insects whose larval stage feeds on, kills host
Parasitoids
Protelean parasites
insects (mostly) in which only immature stages are parasitic
host in which parasite reaches sexual maturity (often vertebrates)
Definitive host
parasite lives inside, but does not develop
Paratenic or transport host
required for development, but not where parasite reaches maturity
Intermediate host
Give an example of a parasite that needs a very specific host
Taenia solium
Give an example of a host that can infect a range of related species
Taenia saginata
Give an example of a host that has a wider range
Trichinella
harbor infections that can be transmitted to humans
Reservoir hosts