Dictionary » P » Parasitism

Parasitism

Definition

noun

A form of symbiosis in which one organism (called parasite) benefits at the expense of another organism usually of different species (called host). The association may also lead to the injury of the host.


Supplement

An example of parasitism is the association between the parasitic tapeworms and the vertebrate hosts.


Related forms: parasitic (adjective)

Compare: parasitoidism

See also: parasitosis


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Book recommendation for exam

... general features and life history of nereis (Neanthes), earthworm (Pheretima) and leach (Hirudinaria). 9. Arthropoda : Larval forms and parasitism in Crustacea; vision and respiration in arthropods (prawn, cockroach and scorpion); modification of mouth parts in insects (cockroach, mosquito, ...

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by bertstare
Sun Oct 21, 2012 2:19 pm
 
Forum: Zoology Discussion
Topic: Book recommendation for exam
Replies: 3
Views: 6304

parasitic evolution

... time were translocated Charnia-turbellaria of Venda (600 million years ago), which is very similar to modern cestodes, but lives freely - without parasitism. Charnia This is very clever, in the Vendian humanity held a high position at the Academy of Sciences of the time. And then, in our time, ...

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by LeoPol
Fri Apr 15, 2011 8:06 am
 
Forum: Evolution
Topic: parasitic evolution
Replies: 6
Views: 4808

Re: Phyla Porifera and Cnidaria

Which form of parasitism do sponges usually engage in? Sponges are ectoparasites but I'm not aware fo a more specific description of the type of parastism they engage in. What mechanism do sponges adapt to protect itself from suspecting ...

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by firechild
Tue Feb 02, 2010 1:23 am
 
Forum: Zoology Discussion
Topic: Phyla Porifera and Cnidaria
Replies: 3
Views: 13195

Phyla Porifera and Cnidaria

... if you guys could help me out by explaining these questions to me cause I dont get a clear understanding of it from my zoology book: Which form of parasitism do sponges usually engage in? Sponges use secondary metabolites, because they can not move, when the sponge becomes threatened they release ...

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by purplec16
Tue Feb 02, 2010 12:32 am
 
Forum: Zoology Discussion
Topic: Phyla Porifera and Cnidaria
Replies: 3
Views: 13195

Re: chemoheterotrophic plants

... (Vidal-Russell R and Nickrent DL (2008) The first mistletoes: Origins of aerial parasitism in Santalales) They apparently do have chloroplasts DNA sequences from nuclear SSU and LSU rDNA, and chloroplast rbcL, matK and trnL-F from ...

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by JackBean
Mon Jan 18, 2010 7:52 am
 
Forum: Botany Discussion
Topic: chemoheterotrophic plants
Replies: 3
Views: 3251
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