In gymonosperms, female gametophytes are produced as cones,
whereas in angiosperms they are present in the flower.
In gymnosperms, female gametophytes are produced on separate
cones (unisexual), whereas in angiosperms, both male an female
gametophyes may be present in the same flower or separate flowers
(unisexual or bisexual)
In gymnosperms, ovules are not located inside an ovary and are
exposed, but in angiosperms, ovules are enclosed within an
ovary.
In gymnosperms, the seeds produced after fertilization are
naked and in angioperms they are enclosed within a fruit.