The option that describes how an organism’s niche is determined is A. An organism's habitat and inherited traits determine its niche.
A niche simply refers to the role that is played by a particular organism in the ecosystem. It simply includes the role that the organism plays in the flow of energy in the ecosystem.
It should also be noted that the niche of an organism has to do with the interaction between the organisms that are in the ecosystem.
Therefore, the determination of the niche of an organism is based on the
organism's habitat and inherited traits.
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