An organism’s particular role in its habitat, or how it makes its living, is called its
a. carrying capacity.
b. ecosystem.
c. competition.
d. niche.

D. niche.

A niche can either be described as the way the species obtains what it needs to survive, the job the organism has within its environment and the place in which the species lives. A habitat is the place where plants and animals live. Most of the time it refers to a neighborhood since plants and animals need habitat, food, shelter and a place to raise its young in order to live.