niche


niche

1. Ecological niche--the role of a plant or animal in the environment, its relationship to all the living and nonliving things around it, e.g., a bat is the nighttime hunter of airborne insects. 2. Habitat niche--the specific part or smallest segment of a habitat occupied by an organism, e.g., a pillbug lives under moist rocks or detritus. See also: biotope.


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