In angiosperms the male gametophyte is ____A______ and completely depends on ___B_____

In angiosperms the male gametophyte is A: Highly reduced and completely depends on B: Sporophyte.Male gametophyte is represented by the pollen grain and it is highly reduced.Unlike in lower plants like Bryophytes and Pteridophytes, higher plants do not have free living and independent existence.