Unwelcome Guests – Coextinction of Parasites

Publication Type:Web Article
Year of Publication:2022
Authors:L. Beall
Series Title:The Extinctions
Access Year:2022
Access Date:1 November
Keywords:Cabalus lafresnayanus, Caracara lutosa, Felicola isodoroi, Gallirallus owstoni, Hydrobates macrodactylus, Longimenopon dominicanum, Philopteroides xenicus, Psittacobrosus bechstein, Rallicola extinctus, Rallicola pilgrimi, Xenicus longipes

In biology, parasitism is a form of symbiosis, a close association between species, in which one species (the parasite) exploits another (the host) for its own benefit. This aspect of harm is what separates parasitism from other symbioses, such as commensalism, in which one species sees gains while other isn’t affected. Most parasites depend entirely on their hosts for nourishment and/or habitat, and so they become intimately tied in an evolutionary context. This host dependence often leads to extreme adaptations and body plans tailored to surviving on – or in – another organism’s body.

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