Get the details behind our redesign
niche (nĭch, nēsh)
An eroded or ulcerated area detected by contrast radiography.
The function or position of an organism or a population within an ecological community.
The particular area within a habitat occupied by an organism.
The function or position of a species within an ecological community. A species's niche includes the physical environment to which it has become adapted as well as its role as producer and consumer of food resources. See also competitive exclusion principle.