One characteristic shared by gymnosperms and angiosperms that is absent from earlier plant groups and represent key adaptations to life on dry land are
A)flagellated sperm
B)gametangia
C)lignin
D)pollen
Answer: D
One characteristic shared by gymnosperms and angiosperms that is absent from earlier plant groups and represent key adaptations to life on dry land are
A)flagellated sperm
B)gametangia
C)lignin
D)pollen
Answer: D