Wich is it?

Niche

An organism's particular role in an ecosystem, or how it makes its living.

Fruition

Fulfillment of an effort or desire

Interchangeable

being able to change places or replace something else

Fragmented

broken into pieces

Predominantly

mainly

Monolithic

massively solid

Implemented

to put into effect

Impose

to take advantage of

Inevitable

unavoidable

Discriminated

unfairly judged