What type of plant is shown in the given figure?

In gymnosperms,male gametes are discharged near the mouth of archegonia by:

The redwood tree is

What are the common characteristics of Gymnosperms?

Consider the following statements regarding gymnosperms and choose the correct option.
$I.$ In gymnosperms,the male and female gametophytes have an independent existence.
$II.$ The multicellular female gametophyte is retained within the megasporangium.
$III.$ The gymnosperms are heterosporous.
Of these statements:

In which plants is non-porous wood found?