Statement A: Marchantia is homosporous and has both male and female sex organs on the same gametophyte.Statement B: Gymnosperms are heterosporous and has independent gametophytes.

Marchantia is homosporous but has separate male gametophyte with antheridiophore and female gametophyte with archegoniophore. Gymnosperms are heterosporous and has dependent separate male and female gametophytes formed in sporophyte and parasitic on sporophyte.