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ShareA parasite is an organism that spends a significant portion of its life in or on the living tissue of a host organism and which causes harm to the host without immediately killing it.
Parasites also commonly show highly specialized adaptations allowing them to exploit host resources.
For more information about the topic Parasitism, read the full article at Wikipedia.org, or see the following related articles:
Symbiosis — Symbiosis is an interaction between two organisms living together in more or less intimate association or even the merging of two dissimilar ... > read more
Protozoa — Protozoa are single-celled eukaryotes (organisms whose cells have nuclei) that commonly show characteristics usually associated with animals, most ... > read more
Louse — Lice (singular: louse) (order Phthiraptera) are an order of over 3,000 species of wingless parasitic insects. Lice attach their eggs to their host's ... > read more
Tapeworm — In biology, Cestoda is the class of parasitic flatworms, called cestodes or tapeworms, that live in the digestive tract of vertebrates as adults and ... > read more
Herbivore — A herbivore is often defined as any organism that eats only plants. By that definition, many fungi, some bacteria, many animals, about 1% of ... > read more
Ecosystem — In ecology, the word ecosystem is an abbreviation of the term, ecological system. Some consider this the basic unit in ecology. Ecosystems are not to ... > read more
Pathogen — A pathogen or infectious agent is a biological agent that causes disease or illness to its host. The term is most often used for agents that disrupt ... > read more
Hookworm — The hookworm is a nematode parasite that lives in the small intestine of its host, which may be a mammal such as a dog, cat, or human. Two species of ... > read more
Hematophagy — Hematophagy (sometimes spelled haematophagy) is the habit of certain animals of feeding on ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Parasitism at Wikipedia.org. See the Wikipedia copyright page for more details.
Editor's Note: This article is not intended to provide medical advice, diagnosis or treatment.
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