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ecological niche

niche (def 3). Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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ecological-niche in Culture

ecological niche definition

The place or function of a given organism within its ecosystem.

Note: Different organisms may compete for the same niche. For example, in a forest there may be a niche for an organism that can fly and eat nectar from blossoms. This niche may be filled by some sort of bird, or an insect, or even a mammal such as a bat.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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