Define parasitism. parasitism synonyms, parasitism pronunciation, parasitism translation, English dictionary definition of parasitism. n. 1. A relationship between. In evolutionary biology, parasitism is a relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm, and is adapted structurally to this way of life. Parasites of animals are highly specialised, and reproduce at a faster rate than their hosts.‎Parasitism · ‎Cymothoa exigua · ‎Parasitic castration · ‎Parasite (disambiguation). Parasitism definition, a relation between organisms in which one lives as a parasite on another. See more.


Author: Baby Reichel
Country: Niue
Language: English
Genre: Education
Published: 2 April 2015
Pages: 493
PDF File Size: 10.64 Mb
ePub File Size: 43.15 Mb
ISBN: 450-8-66348-364-8
Downloads: 1079
Price: Free
Uploader: Baby Reichel

Download Now

Parasitism | Definition of Parasitism by Merriam-Webster

A specific example parasitism definition the nematode species Strongyloides stercoralis. This is a type of roundworm that can cause the disease strongyloidiasis when it infects parasitism definition, but it can also be found free-living.

Endoparasites, like nematodes and hookworms, live inside the host. Macroparasitism Versus Microparasitism Macroparasites are parasites that are large enough to be seen with the naked eye.

Microparasites are too small to be seen and must be viewed under a microscope. They are generally unicellularsuch as protozoa.

Monogenic Versus Digenetic Monogenic parasites complete their life cycle in only one individual host. Digenetic parasites need more than one host to complete their life cycle. Plasmodium vivax, the protozoa that carries malaria, is digenetic.

In order to complete its life cycle, it must be a parasite of both people and mosquitos. Epiparasitism An epiparasite is a parasite parasitism definition parasitizes another organism that is also parasitism definition parasite.

Epiparasites are also called hyperparasites or secondary parasites.

  • Parasitism - Definition, Types and Examples | Biology Dictionary
  • Parasitism - definition of parasitism by The Free Dictionary
  • Examples of Parasitism
  • Types of Parasitism

One example would be a protozoan living in a flea that is living on a dog. Social Parasitism Social parasites take advantage of social insects like ants, parasitism definition, and termites. They may use mimicry to invade the hive.


Parasitism definition controlling effects can be seen in the way that the CHV1 virus helps to control the damage that chestnut blight, Cryphonectria parasiticadoes to American chestnut trees, and in parasitism definition way that bacteriophages can limit bacterial infections.

It is likely, though little researched, that most pathogenic microparasites have hyperparasites which may prove widely useful in both agriculture and medicine.

Ant mimicry and Cuckoo bee Social parasites take advantage of interspecific interactions between members of social animals such as antstermitesand bumblebees.

Parasitism - Dictionary Definition :

Examples include parasitism definition large blue butterfly, Phengaris arionits larvae employing ant mimicry to parasitise certain ants, [33] Bombus bohemicusa bumblebee which invades the hives of other bees and takes over reproduction while their young are raised by host workers, and Melipona scutellarisa eusocial parasitism definition whose virgin queens escape killer workers and invade another colony without a queen.

However, males possess the visual and olfactory acuity to locate females so that they might obtain food. Males attach themselves to females with their jawsand in some cases the tissues and circulatory systems between the sexes are joined. Thereafter, the male serves as a sperm -producing parasitism definition on the female, since transformation makes him completely dependent upon her.


Other forms of sexual parasitism also exist, including those in which the genetic material from one parent is discarded by the other parent despite the parasitism definition made by the parasitism definition parent to produce and deliver it.

For example, young resulting from the pairing of sailfin mollies Poecilia latipinna and Atlantic mollies P. They need sperm from males of either of the two species to start the process; however, since all offspring are clones of their mother, no male DNA is passed on.

Related Posts: