Niche

Niche may refer to:

==Science== Developmental niche, a concept for understanding the cultural context of child development and growth Ecological niche, a term describing the relational position of an organism's species Niche differentiation is the process by which competing species use the environment differently in a way that helps them to coexist Niche (protein structural motif) Stem-cell niche, the necessary cellular environment of a stem cell