Which best describes how an organism’s niche is determined? an organism's habitat and inherited traits determine its niche. an organism’s habitat and ability to reproduce determine its niche. an organism's size and ability to fight determine its niche. an organism's population and prey determine its niche.

The correct answer is that it is an organism's habitat and inherited traits that determine its niche.

The principle of competitive exclusion states that the two species cannot hold the similar niche in the same habitat. A niche of an organism is predicted by its habitat that is its physical surrounding. The inherited traits and adaptation enhances the organism's chances of survival, and it also predicts a niche of an organism.  

it's A An organism's habitat and inherited traits determine its niche.

in situ hybridization has been widely used for research applications, including clinical cytogenetics, gene mapping, tumor biology and studies of chromosome evolution.