What best describes an emergent property?

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Emergent properties are features that appear only when components interact within a system, so the whole exhibits something its parts do not have on their own. This happens because the interactions, feedback, and organization among parts create new behavior or function at the system level. In biology, multicellular life shows functions like coordinated tissue behavior or regulation that individual cells cannot perform alone. Metabolic networks also produce homeostasis through signaling and feedback that isn’t present in a single enzyme or metabolite. So the best description is a property a collection or complex system has, but the individual components do not. A property of a single component or a property shared by all components individually would not capture this system-level emergent behavior. Emergent properties are not limited to non-living systems; they occur in living systems as well.