Assertion: gametophyte | /r/HasSubevent | its complete dependance
Facets:
Source sentences:
text: Advance Green Algae Bryophytes Tracheophytes Development of the root-stem-leaf vascular system nonvascularized body (thallus) that may be variously shaped no levaes, shoots, or roots no vascular system leaflike structures are present, but lack any vascular tissue early vascular plants are naked, rootless vascularized stems later vascular plants develop vascularized leaves, then roots Reduction in the size of the gametophyte generation wide range of life cycles, some gametophyte dominant, others sporophyte dominant sporophyte generation dependant on gametophyte generation for food; gametophyte is free-living and photosynthetic progressive reduction in size and complexity of the gametoiphyte generation, leading to its complete dependance on the sporophyte for food in angiosperms, 3 celled male gametophyte and a (usually) 8 celled female gametophyte Development of seeds in some vascular plants