A) Unlike gymnosperms they have a highly developed vascular system with vessels in the xylem but lacking companion cells in the phloem
B) The phenomenon of pollination is a unique mechanism in angiosperms
C) Flowers in angiosperms represent specialized sporophylls found in gymnosperms where the stamens can be equated with microsporophylls, carpels with the megasporophylls
D) In angiosperms, after fertilization, the ovules remain enclosed in the every, a character that differentiates them from the gymnosperms
Correct Answer: A
Solution :
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