An organism’s niche is determined by its , which is it’s physical environment called Habitat.
Explanation:
A niche is a part a species perform in the ecosystem. In other words, a niche is how an organism “makes a living.” A niche will add the organism's capacity in the flow of energy within the ecosystem. This includes how the organism generates its energy.
The habitat is the natural area where a species lives. Many circumstances are used to represent a habitat. The common amount of sunlight collected each day, the range of annual warmth, and average yearly rainfall can all represent a habitat.