In Which of the Following Ways Do Cycads and Ginkgos

Multiple Choice

In which of the following ways do cycads and ginkgos differ from conifers?

A) cycads and ginkgos have flagellated sperm; conifers do not have flagellated sperm
B) conifers have microspores and megaspores; cycads and ginkgos have only one type of spore
C) cycads and ginkgos form fruits; conifers do not
D) conifers form seeds on the surface of the ovules; cycads and ginkgos form seeds in enclosed structures
E) conifer form seeds from female gametophytes; cycads and ginkgos form seeds from male gametophytes