Assertion: phycobilin | /r/CapableOf | justify use of that characteristic
Facets:
value: as a means of classification
type: PURPOSE
Source sentences:
text: Phycobilins contrast the means of motility among the protozoans and justify use of that characteristic as a means of classification.
text: Phycobilins contrast the pigmentation among the algae and justify use of that characteristic as a means of classification.