Assertion: gametophyte | /r/CapableOf | maintain the sporophyte
Facets:
value: during its early multicellular development
type: TEMPORAL
Source sentences:
text: In most ferns, for example, in the leptosporangiate fern Dryopteris, the gametophyte is a photosynthetic free living autotrophic organism called a prothallus that produces gametes and maintains the sporophyte during its early multicellular development.