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[par-uh-sahy-tiz-uhm, -si-]
Biology a relation between organisms in which one lives as a parasite on another.
a parasitic mode of life or existence.
Pathology a diseased condition due to parasites.


In biology/ecology, parasitism is a non-mutual symbiotic relationship between species, where one species, the parasite, benefits at the expense of the other, the  ...

parasitism | biology |

May 5, 2015 ... Relationship between two species of plants or animals in which one benefits at the expense of the other, sometimes without killing the host ...

Parasitism - definition of parasitism by The Free Dictionary

Define parasitism. parasitism synonyms, parasitism pronunciation, parasitism translation, English dictionary definition of parasitism. n. 1. A relationship between ...
A definition of the aquarium term parasitism More »
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Predation, Herbivory, and Parasitism | Learn Science at Scitable

Predation, herbivory, and parasitism coexist within ecological communities. How do these interactions create dynamic, ever-changing biological systems?

Parasitism dictionary definition | parasitism defined - YourDictionary

Parasitism is a relationship between two different organisms where the parasite harms the host. When worms live in a dog and take nutrients from the dog, this is  ...

Examples of Parasitism

Parasitism is a relationship between two organisms where one is usually harmed and the other gets benefits from the relationship. Parasites are smaller than ...

Parasitism - Science Daily

22, 2008 — Molecular biologists have decoded the genome of the Pristionchus pacificus nematode, thereby gaining insight into the evolution of parasitism.

Parasitism | Definition of parasitism by Merriam-Webster

noun par·a·sit·ism \ˈper-ə-sə-ˌti-zəm, -ˌsī-, ˌpa-rə-\. Definition of PARASITISM. 1. : the behavior of a parasite. 2. : an intimate association between organisms of ...

parasitism | Define parasitism at
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Popular Q&A
Q: What Are Parasites?
A: Parasites are worms or other "critters" seeking a host to supply them with nutrition. It is unhealthy for any dog to not be treated for worms or other parasites... Read More »
Q: What is a parasite?
A: Parasites -A parasite is an organism that benefits from a close prolonged relationship with its host, which is harmed. The parasite grows, feeds, or uses shelte... Read More »
Q: What is parasitism?
A: Parasitism Parasitism is a symbiotic relationship in which one organism lives in or on another organism (the host) and consequently harms the host while it bene... Read More »
Q: How to Kill Parasites in Soil.
A: Things You'll Need. Sodium borate. Instructions. Sprinkle 10 lbs. of sodium borate per every 100 square feet of soil to kill parasites such as hookworms. Sodium... Read More »
Q: What is parasitical?
A: adjective Of or characteristic of a parasite: bloodsucking, parasitic. Slang freeloading. See dependence/independence. Read More »