Assertion: giardia | /r/HasProperty | anaerobic
Facets:
Source sentences:
text: Giardia is anaerobic, which means it doesn't require oxygen in order to survive.
text: Giardia, he suggested, might be the anaerobic eukaryote that ingested an oxygen-using bacterium; this union could have yielded the first aerobic eukaryote, from which all others may have descended.