http://homosaurus.org/terms/etiology etiology etiology 2015-11-26 xsd:date 2015-11-26 xsd:date http://homosaurus.org/terms/theories theories http://homosaurus.org/terms/genetics genetics http://homosaurus.org/terms/heredity heredity http://homosaurus.org/terms/etiology etiology inquiries and speculations regarding the causes of sexual behaviour or diseases