Amensalism
From Wikipedia, the free encyclopedia
Amensalism is a biological interaction, a type of symbiosis, between two species in which one impedes or restricts the success of the other without being affected, positively or negatively, by the presence of the other. Usually this occurs when one organism exudes a chemical compound as part of its normal metabolism that is detrimental to another organism.
The bread mold Penicillium is a common example of this; penicillium secrete penicillin, which is a chemical that kills bacteria. A second example is the black walnut tree (Juglans nigra). Its roots secrete juglone, a chemical that harms or kills some species of neighboring plants.
Antibiosis or allelopathy also explain similar interactions.
[edit] References
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| Inter-species biological interactions in ecology
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| Amensalism • Commensalism • Mutualism • Neutralism • Synnecrosis Predation (Carnivory, Herbivory, Parasitism, Parasitoidism, Cheating) Symbiosis • Competition |
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