Why is an organisms niche like a persons occupation?
a. an organism makes money by working in its niche.
b. a niche is a company that the organism has to work in.
c. a niche is a factory where organisms build things.
d. an organism can make a living and survive in its niche.

B. A niche is a company that the organism has to work in. 

Niche is like a profession because everybody in our world performs a different job. Niche is somewhat defines like what you do, how you do it, where you do it and when you do it.In ecology, a niche is a term about the relational position of every species like dolphin. In where dolphin can potentially be in another ecological niche by travelling from one place to another. Profession are something like finding your specialty, your place and your niche in the world.