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amensalism

[ey-men-suh-liz-uh m]
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noun Ecology.
  1. a relationship between two species of organisms in which the individuals of one species adversely affect those of the other and are unaffected themselves.

Origin of amensalism

probably a-6 + (com)mensal + -ism
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
amensalism in Science

amensalism

[ā-mĕnsə-lĭz′əm]
  1. A relationship between two organisms in which one organism is harmed or inhibited and the other is unaffected. Examples of amensalism include the shading out of one plant by a taller and wider one and the inhibition of one plant by the secretions of another (known as allelopathy). Compare commensalism mutualism parasitism.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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