The dominant photosynthetic phase in the life cycle of pteridophyta is equivalent to the

Compared to the gametophyte of bryophytes,the gametophyte of vascular plants should be .......

Read the following statements and answer the question which follows them:
$(1)$ In liverworts,mosses,and ferns,gametophytes are free-living.
$(2)$ Gymnosperms and some ferns are heterosporous.
$(3)$ Sexual reproduction in $Fucus$,$Volvox$,and $Albugo$ is oogamous.
$(4)$ The sporophyte in liverworts is more elaborate than that in mosses.
$(5)$ Both $Pinus$ and $Marchantia$ are dioecious.
How many of the above statements are correct?

Mosses and ferns are found in moist and shady places because both

In which of the following plants is the diplontic life cycle observed?

Oogamy with non-motile gametes occurs in $:-$