#phototropism  an orienting response to light
  supertype:  #tropism  an involuntary orienting response; positive or negative reaction to a stimulus source
     supertype:  #reaction.bodily_process__response  a bodily process occurring due to the effect of some foregoing stimulus or agent; "a bad reaction to the medicine"; "his responses have slowed with age"
        supertype:  #bodily_process__body_process__bodily_function__activity  an organic process that takes place in the body; "respiratory activity"
           supertype:  #organic_process__organicproces__biological_process  a process occurring in living organisms
              supertype:  #natural_process__naturalproces__natural_action__naturalaction__action__activity  a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
                 supertype:  #process__proces  a sustained phenomenon or one marked by gradual changes through a series of states; "events now in process"; "the process of calcification begins later for boys than for girls"
                    supertype:  #phenomenon  any state or process known through the senses rather than by intuition or reasoning
                       supertype:  sumo#process__proces__physicalsituation  intuitively, the class of things that happen and have temporal parts or stages; examples include extended events like a football match or a race, actions like pursuing and reading, and biological processes; sumo#process is not identical to pm#situation because an instance of pm#situation is not necessarily an instance of sumo#physical
                          supertype:  pm#situation  something that "occurs" in a real/imaginary region of time and space
                             supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                          supertype:  pm#process_or_process_description
                             supertype:  pm#processing_thing
                                supertype:  pm#thing_playing_some_role  category to classify things according to roles/viewpoints; classification under this category is application-dependant
                                   supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type
                          supertype:  sumo#physical__physical_thing  an entity that has a location in space-time; locations are themselves understood to have a location in space-time; click here for more details on the identical category sowa#physical_thing
                             supertype:  pm#thing__something___T__t___3D_or_4D_thing_or_anything_else  any category (type or individual) is instance of this type; any type is also a subtype of this type

No statement uses or specializes #phototropism; click here to add one.