n. an ecological factor which affects biological and physiological processes in a living organism. This factor also influences its development and evolution. For instance, an organism is in control within its own ecological niche, whereas it would be limited and inhibited by a different environment. Nonetheless, its struggle to survive would depend on the ability to adapt.

BIONOMIC FACTOR: "A change in habitat can be a bionomic factor which controls or limits an organism's ability to survive."