Practice question

Bryophyte life strategy features characteristic haploid dominance reversing typical vascular pattern. Free-living gametophyte photosynthesizes and produces gametangia at apex; after fertilization, diploid sporophyte develops within archegonial venter attached via bulbous foot absorbing nutrients from maternal tissue through placental transfer cells. Sporophyte remains small, unbranched, mostly determinate except in hornworts, lacking significant photosynthetic independence and requiring maternal provisioning for sporogenesis. This nutritional dependence contrasts sharply with tracheophyte life cycle where sporophyte eventually becomes independent and dominant after embryogenesis, reducing gametophyte. This structural framework illustrates phylogenetic relationships and adaptive significance highlighted in competitive examinations focusing on comparative plant morphology and systematics.