Assertion: virus | /r/CapableOf | begin host relationships
Facets:
value: with archaea
type: OTHER
value: with bacteria
type: OTHER
Source sentences:
text: It is likely that viruses began host relationships with archaea and bacteria about two billion years ago; it has been suggested, however, that the proliferation of terrestrial vascular plants was the watershed event in evolution that enabled the explosion of numbers of viral organisms and pathways.