Explain this line gymnosperms and angiosperms follow this pattern with some variations wherein the gametophytic phase is few to - Biology -

Question

Explain this line ‘gymnosperms and angiosperms follow this
pattern with some variations wherein the gametophytic phase is few
to multicelled ‘ What is the exception here???

Mehvash Shams · Accepted Answer

Explain this line ‘gymnosperms and angiosperms follow this pattern with some variations wherein the gametophytic phase is few to multicelled ‘. What is the exception here???