Collects the descendent terms (list of IDs) from a given term (existing ID) in the given OBO ontology.

Example

If you ask for the descendents of the Gene Ontology term with ID GO:000741 you will get:

GO:0048288    nuclear membrane fusion during karyogamy
GO:0000745    nuclear migration during conjugation without cellular fusion
GO:0000744    karyogamy during conjugation without cellular fusion
GO:0032871    regulation of karyogamy
GO:0007344    pronuclear fusion
GO:0000742    karyogamy during conjugation with cellular fusion
GO:0010197    polar nucleus fusion
GO:0000743    nuclear migration during conjugation with cellular fusion