Question

organism plays in its environment, considering all limiting factors. nearly all organisms occupy only their realized niche. what type of niche is what something actually does in an environment, taking into account every other factor within it? the fundamental niche the genetic niche the realized niche

Explanation:

The realized niche is the actual role an organism occupies in its environment, considering all limiting factors. The fundamental niche is the potential role without considering limitations. There is no "genetic niche" in standard ecological terms. So, the realized niche fits the description of what an organism actually does in an environment with all factors accounted for.

Answer:

C. the realized niche