Natural Products Ontology	The Ecosystem Ontology	Source
http://purl.dataone.org/odo/ECSO_00000573	http://purl.org/biotop/biotop.owl#Plant	LOOM
http://purl.dataone.org/odo/ECSO_00000562	http://www.owl-ontologies.com/NPOntology.owl#Chlorophyll	LOOM
http://purl.dataone.org/odo/ECSO_00000569	http://www.owl-ontologies.com/NPOntology.owl#Bacteria	LOOM