Question

The special job an organism plays in it's ecosystem is it's __________.

biome

population

niche

biodiversity

Answer 1

niche

Step-by-step explanation:

mostly out of deductive reasoning as to how each word fits into the sentence while still having the sentence make sense, but also, a "niche" in whatever use you're applying it toward is literally defined as a specialty.

Answer 2

The answer would be niche.