question: public boolean containsAll ( TaxonList taxonList ) { for ( int i = 0 ; i < taxonList . getTaxonCount ( ) ; i ++ ) { Taxon taxon = taxonList . getTaxon ( i ) ; if ( ! taxa . contains ( taxon ) ) { return false ; } } return true ; }
target:  Returns true if taxonList is a subset of the taxa in this Taxa.