Population and Community Ontology OntoBiotope Source
http://purl.obolibrary.org/obo/NCBITaxon_1 http://purl.obolibrary.org/obo/OBT_001877 LOOM
http://purl.obolibrary.org/obo/GO_0016020 http://purl.obolibrary.org/obo/OBT_000555 LOOM
http://purl.obolibrary.org/obo/CL_0000000 http://purl.obolibrary.org/obo/OBT_000056 LOOM