The gametophyte phase is "haploid", and is the part of the life cycle in which gametes are produced (by mitosis of haploid cells).
(The gametophyte phase; is; haploid) (The gametophyte phase; is; the part of the life cycle) (gametes; are produced; by mitosis of haploid cells; L:the life cycle)
The gametophyte phase The gametophyte phase gametes
is is are produced
haploid
the part of the life cycle
by mitosis of haploid cells L:the life cycle