All Seed Plants Have a Number of Derived Features That

All seed plants have a number of derived features that represent major events in plant evolution including

A) vascular cambium.
B) non-motile sperm transported to the ovule as pollen.
C) enclosure of the female gametophyte and embryo within a receptacle, which gives rise to fruit with seeds.
D) heterospory, with microspores developing into sperm.
E) vessel members with perforation plates rather than tracheids.