Question on plants AP Biology???

Question

You discover a new species of plant in a tropical rain forest. After observing its anatomy and life cycle, you note that it has flagellated sperm, xylem with tracheids, separate gametophyte and sporophyte generations, and no seeds. You conclude that this plant is most likely related to

a. mosses

b. liverworts

c. ferns

d. conifers

e. angiosperms

Answer 1

c. ferns

Mosses and liverworts do not have xylem.  Conifers and angiosperms have seeds and do not have flagellated sperm.