Angiosperms are the most sucessful terrestrial land plants due to all of the following EXCEPT?

Question

A) animal pollination

B) reduced gametophytes

C) fruits enclosing seeds

D) xylem with vessels

E) sperm cells with flagella

Answer 1

E

From http://courses.missouristate.edu/alexand...  "While some primitive gymnosperms have flagellated sperm cells, the sperm in most gymnosperms and all angiosperms lack flagella."

Answer 2

b, i think