part_of part of part of has part has part has_part overlaps overlaps continuous with continuous with in taxon Connects a biological entity to its taxon of origin. RO:0002162 x is in taxon y if an only if y is an organism, and the relationship between x and y is one of: part of (reflexive), developmentally preceded by, derives from, secreted by, expressed. connected to connected to connects connects evolutionarily related to attached to attached to existence starts during existence ends during