Which statement correctly describes the dominant phase and features of pteridophytes? 

The dominant phase is the gametophyte, which has differentiated vascular tissues and bears sporangia.

The dominant phase is the sporophyte, which is differentiated into organs such as roots, stems, and leaves and does not have vascular tissues.

The dominant phase is the sporophyte, characterized by well-differentiated vascular tissues and organs like roots, stems, and leaves.

The gametophyte is the main plant body and it typically forms large structures called strobili or cones.