Community to the ability of communities to remain unchanged over time.

The blank can be filled with stability.

Community stability can be illustrated as the tendency of a community to defy amendment or rebound from variation. A climax community refers to an ecological community in which species of animals or plants remain stable and prevail in equilibrium with each other and their surroundings.

A climax community is the ultimate phase of succession, remaining comparatively unmodified unless destructed by an incident, like human interference or fire.