is part of part_of part of part of part_of determined by A coral reef environment is determined by a particular coral reef Chris Mungall Pier Buttigieg The label for this relation is probably too general for its restricted use, where the domain is a system. It may be relabeled in future s determined by f if and only if s is a type of system, and f is a material entity that is part of s, such that f exerts a strong causal influence on the functioning of s, and the removal of f would cause the collapse of s. Chris Mungall determined by (system to material entity) determined by part of causally influenced by