Queried GO term:

  idGO:0007015   Detailed information
  nameactin filament organization
  namespacebiological_process
  def"A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments. Includes processes that control the spatial distribution of actin filaments, such as organizing filaments into meshworks, bundles, or other structures, as by cross-linking." [GOC:mah]
  is_aGO:0030036 ! actin cytoskeleton organization

No monarch genes has the input GO term: GO:0007015.